1) (2x + 3)(x + 5); x = -3/2 or -5
2) (2y - 7)(y + 3); y = 7/2 or -3
3) (2z + 2)(z - 7); z = -1 or 7
4) (2a + 1)(a - 11); a = -1/2 or 11
5) (2b + 6)(b + 2); b = -3 or -2
6) (2c - 1)(c - 6); c = 1/2 or 6
7) (2d - 2)(d - 5); d = 1 or 5
8) (2e - 4)(e - 4); e = 2 or 4
9) (3f - 5)(f - 1); f = 5/3 or 1
10) (3g + 1)(g - 11); g = -1/3 or 11
11) (3h + 7)(h + 1); h = -7/3 or -1
12) (3i + 1)(i - 3); i = -1/3 or 3
13) (3j - 1)(j - 8); j = 1/3 or 8
14) (5k + 1)(k + 2); k = -1/5 or -2
15) (5m + 11)(m - 1); m = -11/5 or 1
16) (5n - 1)(n - 7); n = 1/5 or 7
Parent Tip: Review the logic above to help your child master the concept of solving quadratic equations practice worksheet.