Question

1. Factor the GCF: 7x^2 + 21x - 35.

Answer 1

$7x^2+21x-35$

Factors of 7:

7,1

Factors of 21:

21,7,3,1

Factors of 35:

35,7,5,1

Therefore, the GCF is 7, so:

$7x^2+21x-35=7(x^2+3-5)$

Answer:

7(x² + 3 - 5)