How do you factor 5x^3+15x^2-20x5x3+15x2−20x?
3 Answers
May 26, 2018
Explanation:
"take out a "color(blue)"common factor "5xtake out a common factor 5x
=5x(x^2+3x-4)=5x(x2+3x−4)
"the factors of - 4 which sum to + 3 are +4 and - 1"the factors of - 4 which sum to + 3 are +4 and - 1
=5x(x+4)(x-1)=5x(x+4)(x−1)
May 26, 2018
Explanation:
We get
Solving
we obtain
or
so finally we get
May 26, 2018
Explanation:
Factor:
Factor out the GCF
Find two numbers that when added equal