Factoring


Factor.

  1. 5m + 25n + 30

  2. x2 - 144

  3. x2 - 12x + 32

  4. x2 + x - 42

  5. 7a9 - 28a8 - 35a7

  6. 9x2 + 6x - 8

  7. 15a2 - 5ab - 20b2

  8. 3x2 - 75

  9. x2 + 10x + 25

  10. 6x2 - 3x - 45

  11. 8x3 - 27y3

  12. 5y5 - 80y

 


Answers:

1. 5(m + 5n + 6)   2. (x + 12) (x - 12)      3. (x - 8) (x - 4)   4. (x + 7) (x - 6)   5. 7a7(a - 5) (a + 1)

6. (3x + 4) (3x - 2)   7. 5(3a - 4b) (a + b)   8. 3(x + 5) (x - 5)   9. (x + 5)2

10. 3 (x - 3) (2x + 5)   11. (2x - 3y) ( 4x2 + 6xy + 9y2)   12. 5y(y2 + 4) (y + 2) (y - 2)

CLC Math & Science Center