1. (2x + 3)(x - 5) = 2x² - 7x - 15
2. (x - 4)(x + 6) = x² + 2x - 24
3. (3x + 2)(x - 1) = 3x² - x - 2
4. (x + 7)(x - 3) = x² + 4x - 21
5. (4x - 1)(x + 2) = 4x² + 7x - 2
6. (x + 5)(x - 5) = x² - 25
7. (2x - 3)(2x + 3) = 4x² - 9
8. (x + 8)(x - 8) = x² - 64
9. (3x - 4)(3x + 4) = 9x² - 16
10. (x + 9)(x - 9) = x² - 81
11. (5x - 2)(5x + 2) = 25x² - 4
12. (x + 10)(x - 10) = x² - 100
13. (6x - 1)(6x + 1) = 36x² - 1
14. (x + 11)(x - 11) = x² - 121
15. (7x - 3)(7x + 3) = 49x² - 9
16. (x + 12)(x - 12) = x² - 144
17. (8x - 5)(8x + 5) = 64x² - 25
18. (x + 13)(x - 13) = x² - 169
19. (9x - 7)(9x + 7) = 81x² - 49
20. (x + 14)(x - 14) = x² - 196
21. (10x - 9)(10x + 9) = 100x² - 81
22. (x + 15)(x - 15) = x² - 225
23. (11x - 10)(11x + 10) = 121x² - 100
24. (x + 16)(x - 16) = x² - 256
25. (12x - 11)(12x + 11) = 144x² - 121
26. (x + 17)(x - 17) = x² - 289
27. (13x - 12)(13x + 12) = 169x² - 144
28. (x + 18)(x - 18) = x² - 324
29. (14x - 13)(14x + 13) = 196x² - 169
30. (x + 19)(x - 19) = x² - 361
31. (15x - 14)(15x + 14) = 225x² - 196
32. (x + 20)(x - 20) = x² - 400
Parent Tip: Review the logic above to help your child master the concept of what kind of shoes does a frog wear worksheet answer key.