Printable worksheet featuring six polynomial long division problems designed to help students practice dividing expressions and handling remainders.
Polynomial long division worksheet with six practice problems involving variables k, y, b, h, and z.
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Step-by-step solution for: Polynomial Long Division Worksheet | Download Free Printables For Kids
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Show Answer Key & Explanations
Step-by-step solution for: Polynomial Long Division Worksheet | Download Free Printables For Kids
It looks like you've uploaded a Polynomial Long Division Worksheet, and the task is to divide each polynomial using long division and write the remainder in fractional form.
Let’s go through each problem one by one. I'll solve them step-by-step, showing the long division process and then express the remainder as a fraction.
---
$$
\frac{3k^2 + 10k - 9}{k - 9}
$$
We perform polynomial long division:
1. Divide $3k^2 \div k = 3k$
2. Multiply: $3k(k - 9) = 3k^2 - 27k$
3. Subtract: $(3k^2 + 10k) - (3k^2 - 27k) = 37k$
4. Bring down $-9$: now we have $37k - 9$
5. Divide $37k \div k = 37$
6. Multiply: $37(k - 9) = 37k - 333$
7. Subtract: $(37k - 9) - (37k - 333) = 324$
So:
$$
\frac{3k^2 + 10k - 9}{k - 9} = 3k + 37 + \frac{324}{k - 9}
$$
✔ Answer: $3k + 37 + \frac{324}{k - 9}$
---
$$
\frac{-3y^2 + 6}{y - 4}
$$
Note: The dividend is $-3y^2 + 0y + 6$, so we include the missing $y$ term.
1. Divide $-3y^2 \div y = -3y$
2. Multiply: $-3y(y - 4) = -3y^2 + 12y$
3. Subtract: $(-3y^2 + 0y) - (-3y^2 + 12y) = -12y$
4. Bring down $+6$: now $-12y + 6$
5. Divide $-12y \div y = -12$
6. Multiply: $-12(y - 4) = -12y + 48$
7. Subtract: $(-12y + 6) - (-12y + 48) = -42$
So:
$$
\frac{-3y^2 + 6}{y - 4} = -3y - 12 + \frac{-42}{y - 4}
$$
✔ Answer: $-3y - 12 - \frac{42}{y - 4}$
---
$$
\frac{z^2 - 19z - 11}{z + 8}
$$
1. Divide $z^2 \div z = z$
2. Multiply: $z(z + 8) = z^2 + 8z$
3. Subtract: $(z^2 - 19z) - (z^2 + 8z) = -27z$
4. Bring down $-11$: $-27z - 11$
5. Divide $-27z \div z = -27$
6. Multiply: $-27(z + 8) = -27z - 216$
7. Subtract: $(-27z - 11) - (-27z - 216) = 205$
So:
$$
\frac{z^2 - 19z - 11}{z + 8} = z - 27 + \frac{205}{z + 8}
$$
✔ Answer: $z - 27 + \frac{205}{z + 8}$
---
$$
\frac{-b^2 + 16b^2 - 13b + 5}{b + 4}
$$
Wait — there's an error here: $-b^2 + 16b^2 = 15b^2$, so the dividend is:
$$
15b^2 - 13b + 5
$$
Now divide:
$$
\frac{15b^2 - 13b + 5}{b + 4}
$$
1. $15b^2 \div b = 15b$
2. Multiply: $15b(b + 4) = 15b^2 + 60b$
3. Subtract: $(15b^2 - 13b) - (15b^2 + 60b) = -73b$
4. Bring down $+5$: $-73b + 5$
5. $-73b \div b = -73$
6. Multiply: $-73(b + 4) = -73b - 292$
7. Subtract: $(-73b + 5) - (-73b - 292) = 297$
So:
$$
\frac{15b^2 - 13b + 5}{b + 4} = 15b - 73 + \frac{297}{b + 4}
$$
✔ Answer: $15b - 73 + \frac{297}{b + 4}$
---
$$
\frac{2h^2 + 13h^2 - 14h + 4}{h + 3}
$$
Wait — again, combine like terms: $2h^2 + 13h^2 = 15h^2$
So dividend is: $15h^2 - 14h + 4$
Now divide:
$$
\frac{15h^2 - 14h + 4}{h + 3}
$$
1. $15h^2 \div h = 15h$
2. Multiply: $15h(h + 3) = 15h^2 + 45h$
3. Subtract: $(15h^2 - 14h) - (15h^2 + 45h) = -59h$
4. Bring down $+4$: $-59h + 4$
5. $-59h \div h = -59$
6. Multiply: $-59(h + 3) = -59h - 177$
7. Subtract: $(-59h + 4) - (-59h - 177) = 181$
So:
$$
\frac{15h^2 - 14h + 4}{h + 3} = 15h - 59 + \frac{181}{h + 3}
$$
✔ Answer: $15h - 59 + \frac{181}{h + 3}$
---
$$
\frac{z^2 - 19z - 11}{z + 8}
$$
This is identical to Problem 3!
So same result:
$$
z - 27 + \frac{205}{z + 8}
$$
✔ Answer: $z - 27 + \frac{205}{z + 8}$
---
| Problem | Answer |
|--------|--------|
| 1 | $3k + 37 + \frac{324}{k - 9}$ |
| 2 | $-3y - 12 - \frac{42}{y - 4}$ |
| 3 | $z - 27 + \frac{205}{z + 8}$ |
| 4 | $15b - 73 + \frac{297}{b + 4}$ |
| 5 | $15h - 59 + \frac{181}{h + 3}$ |
| 6 | $z - 27 + \frac{205}{z + 8}$ |
> Note: Problems 3 and 6 are identical.
---
Let me know if you'd like these written in boxed format or if you want the steps visualized!
Let’s go through each problem one by one. I'll solve them step-by-step, showing the long division process and then express the remainder as a fraction.
---
🔷 Problem 1:
$$
\frac{3k^2 + 10k - 9}{k - 9}
$$
We perform polynomial long division:
1. Divide $3k^2 \div k = 3k$
2. Multiply: $3k(k - 9) = 3k^2 - 27k$
3. Subtract: $(3k^2 + 10k) - (3k^2 - 27k) = 37k$
4. Bring down $-9$: now we have $37k - 9$
5. Divide $37k \div k = 37$
6. Multiply: $37(k - 9) = 37k - 333$
7. Subtract: $(37k - 9) - (37k - 333) = 324$
So:
$$
\frac{3k^2 + 10k - 9}{k - 9} = 3k + 37 + \frac{324}{k - 9}
$$
✔ Answer: $3k + 37 + \frac{324}{k - 9}$
---
🔷 Problem 2:
$$
\frac{-3y^2 + 6}{y - 4}
$$
Note: The dividend is $-3y^2 + 0y + 6$, so we include the missing $y$ term.
1. Divide $-3y^2 \div y = -3y$
2. Multiply: $-3y(y - 4) = -3y^2 + 12y$
3. Subtract: $(-3y^2 + 0y) - (-3y^2 + 12y) = -12y$
4. Bring down $+6$: now $-12y + 6$
5. Divide $-12y \div y = -12$
6. Multiply: $-12(y - 4) = -12y + 48$
7. Subtract: $(-12y + 6) - (-12y + 48) = -42$
So:
$$
\frac{-3y^2 + 6}{y - 4} = -3y - 12 + \frac{-42}{y - 4}
$$
✔ Answer: $-3y - 12 - \frac{42}{y - 4}$
---
🔷 Problem 3:
$$
\frac{z^2 - 19z - 11}{z + 8}
$$
1. Divide $z^2 \div z = z$
2. Multiply: $z(z + 8) = z^2 + 8z$
3. Subtract: $(z^2 - 19z) - (z^2 + 8z) = -27z$
4. Bring down $-11$: $-27z - 11$
5. Divide $-27z \div z = -27$
6. Multiply: $-27(z + 8) = -27z - 216$
7. Subtract: $(-27z - 11) - (-27z - 216) = 205$
So:
$$
\frac{z^2 - 19z - 11}{z + 8} = z - 27 + \frac{205}{z + 8}
$$
✔ Answer: $z - 27 + \frac{205}{z + 8}$
---
🔷 Problem 4:
$$
\frac{-b^2 + 16b^2 - 13b + 5}{b + 4}
$$
Wait — there's an error here: $-b^2 + 16b^2 = 15b^2$, so the dividend is:
$$
15b^2 - 13b + 5
$$
Now divide:
$$
\frac{15b^2 - 13b + 5}{b + 4}
$$
1. $15b^2 \div b = 15b$
2. Multiply: $15b(b + 4) = 15b^2 + 60b$
3. Subtract: $(15b^2 - 13b) - (15b^2 + 60b) = -73b$
4. Bring down $+5$: $-73b + 5$
5. $-73b \div b = -73$
6. Multiply: $-73(b + 4) = -73b - 292$
7. Subtract: $(-73b + 5) - (-73b - 292) = 297$
So:
$$
\frac{15b^2 - 13b + 5}{b + 4} = 15b - 73 + \frac{297}{b + 4}
$$
✔ Answer: $15b - 73 + \frac{297}{b + 4}$
---
🔷 Problem 5:
$$
\frac{2h^2 + 13h^2 - 14h + 4}{h + 3}
$$
Wait — again, combine like terms: $2h^2 + 13h^2 = 15h^2$
So dividend is: $15h^2 - 14h + 4$
Now divide:
$$
\frac{15h^2 - 14h + 4}{h + 3}
$$
1. $15h^2 \div h = 15h$
2. Multiply: $15h(h + 3) = 15h^2 + 45h$
3. Subtract: $(15h^2 - 14h) - (15h^2 + 45h) = -59h$
4. Bring down $+4$: $-59h + 4$
5. $-59h \div h = -59$
6. Multiply: $-59(h + 3) = -59h - 177$
7. Subtract: $(-59h + 4) - (-59h - 177) = 181$
So:
$$
\frac{15h^2 - 14h + 4}{h + 3} = 15h - 59 + \frac{181}{h + 3}
$$
✔ Answer: $15h - 59 + \frac{181}{h + 3}$
---
🔷 Problem 6:
$$
\frac{z^2 - 19z - 11}{z + 8}
$$
This is identical to Problem 3!
So same result:
$$
z - 27 + \frac{205}{z + 8}
$$
✔ Answer: $z - 27 + \frac{205}{z + 8}$
---
✔ Final Answers Summary:
| Problem | Answer |
|--------|--------|
| 1 | $3k + 37 + \frac{324}{k - 9}$ |
| 2 | $-3y - 12 - \frac{42}{y - 4}$ |
| 3 | $z - 27 + \frac{205}{z + 8}$ |
| 4 | $15b - 73 + \frac{297}{b + 4}$ |
| 5 | $15h - 59 + \frac{181}{h + 3}$ |
| 6 | $z - 27 + \frac{205}{z + 8}$ |
> Note: Problems 3 and 6 are identical.
---
Let me know if you'd like these written in boxed format or if you want the steps visualized!
Parent Tip: Review the logic above to help your child master the concept of long division of polynomials worksheet.