14. (7b+7)(5b-7)
What is 35b2-14b-49?
15. (5x-2)(5x+4)
What is 25x2+10x-8?
16. (7x-6)(8x-8)
What is 56x2-104x+48?
17. (3n+1)(8n-4)
What is 24n2-4n-4?
26. (4a-3)(4a+3)
What is 16a2-9?
27. (6p+5)2
What is 36p2+60p+25?
28. (4+x)(4-x)
What is -x2+16?
29. (2x-6)(2x+6)
What is 4x2-36?
18. (-4a+2)(7a-1)
What is -28a2+18a-2?
19. (4x+6)(-5x-3)
What is -20x2-42x-18?
20. (6n+5)(-5n+7)
What is -30n2+17n+35?
21. (-n+7)(-7n-5)
What is 7n2-44n-35?
22. (-6v-5)(-v2+v-6)
What is 6v3-v2+31v+30?
23. (4m-8)(-6m2+m-3)
What is -24m3+52m2-20m+24?
24. (-5b+7)(b2+8b+6)
What is -5b3-33b2+26b+42?
25. (-6m+6)(-8m2-8m+2)
What is 48m3-60m+12?
(5x2-4x+8)(-7x2-7x-6)
What is -35x4-7x3-58x2-32x-48?
(8x2-6x-1)(5x2-6x-3)
What is 40x4-78x3+7x2+24x+3?
(-2a2-2a+7)(4a2+5a+5)
What is -8a4-18a3+8a2+25a+35?
(-5b2+2b+3)(7b2-8b-2)
What is -35b4+54b3+15b2-28b-6?