Question

Factor completely 7x^2+28x-35

Answer 1

7(x-1)(x+5)

Explanation:

I got it right on khan.

Answer 2

7(x-1)(x+5)

Explanation:

7x^2+28x-35= ( 28x=35x-7x)

7x^2-7x+35x-35=

7x(x - 1)+35(x - 1)=

(x - 1)(7x+35)=

(x - 1)(7x+7*5)=

(x - 1)7(x+5)=

7(x-1)(x+5)