Answer:
5(x+4) (x-2)
Step-by-step explanation:
5x^2 + 10x - 40
Factor out a 5
5(x^2 +2x - 8)
Looking at the inside of the parentheses
What 2 numbers multiply to -8 and add to 2
4 *-2 = -8
4+-2 = 2
Given.
[tex]5x^2+10x-40[/tex]
Factor out the GCF.
[tex]5(x^2+2x-8)[/tex]
Use AC method.
[tex]x^2+bx+c[/tex]
[tex]x^2+2x-8[/tex]
Find product of b (-8) and sum of c (2x).
(-2,4)
When you solve.
[tex]5((x-2)(x+4))[/tex]
