1. Factor the GCF from 7x2y3 + 14x3y + x5y4
x2y(7y2 + 14x + x3y3) 7xy(xy2 + 2x + x4y3) xy(7xy2 + 14x2 + x4y3)
2. Factor the GCF from 15a3b3 + 12a5 + 6b5 3(5a3b3 + 4a5 + 2b5) 3a3(5b3 + 4a2 + 2b5) 3b3(5a3 + 4a5 + 2b2)
3. Factor by grouping x(4x - 3y) - 2(4x - 3y). 4x - 3y + x - 2 (4x - 3y) + (x - 2) (4x - 3y)(x - 2)
4. Factor by grouping xy + 4x + 5y + 20 x(y + 4) + 5(y + 4) y(x + 5) + 4(x + 5) (x + 5)(y + 4)
5. Factor x2 - 5x + 6.
(x - 6)(x + 1) (x + 3)(x + 2) (x - 3)(x - 2)
6. Factor 8x2 - 18x - 5.
(2x - 5)(4x + 1) (2x + 5)(4x - 1) (2x - 5)(4x - 1)
7. Factor x4 - 2x2 - 15
(x2 - 5)(x2 + 3) (x2 + 5)(x2 + 3) (x2 + 5)(x2 - 3)
8. Factor 4x3 - 4x2 + 4x + 4
4x( x2 + x + 1) 4(x3 - x2 + x + 1) This is a prime polynomial.
9. Factor x2 + 3x + 1
(x + 1)(x + 1) (x + 1)(x + 3) This is a prime polynomial.
Copyright © 2001 Donna Tupper.