SOLUTION: State which method should be applied as the first step for factoring the polynomial 6x^3+9x... Factor completely... 1. 6b^4-18b^3-60b^2 2. 5a^2-125 3. y^3-12y^2+36y 4. b^2-a

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: State which method should be applied as the first step for factoring the polynomial 6x^3+9x... Factor completely... 1. 6b^4-18b^3-60b^2 2. 5a^2-125 3. y^3-12y^2+36y 4. b^2-a      Log On


   

Question 86503: State which method should be applied as the first step for factoring the polynomial 6x^3+9x...
Factor completely...
1. 6b^4-18b^3-60b^2
2. 5a^2-125
3. y^3-12y^2+36y
4. b^2-ab-6a^2
5. 8m^4n-16mn^4
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
Factoring Polynomials:
6x^3+9x
3x(2x^2+3)
.
1. 6b^4-18b^3-60b^2
6b^2(b^2-3b-10b)
6b^2(b-5)(b+2)
.
2. 5a^2-125
5(a^2-25)
5(a-5)(a+5)
.
3. y^3-12y^2+36y
y(y^2-12y+36)
y(y-6)(y-6)
.
4. b^2-ab-6a^2
(b-3a)(b+2a)
.
5. 8m^4n-16mn^4
8mn(m^3-2n^3)