Question

PLEASE HELP I NEED THIS DONE TODAy

what expressions are equivalent to 3x^2 +30x-72
1. 3(x^2+10x-24)
2. 3(x-6)(x-4)
3. 3x(x+10)-72

Answer 1

1. 3(x^2+10x-24)

Explanation:

3x^2 +30x-72

so you want to see what each element has in common with the whole equation. In this case, everything is divisible by 3 so we take out the 3.

3(x^2+10x-24)