Question

21x(x+3)+7x^2(x+3) Factoring out the GCF.

Answer 1

(x+3)*(21x+7x^2)=(x+3)*7x(x+3)=7x*(x+3)^2

Answer 2

why is it to the power of two ?

Answer 3

because x+3 is 2 times there

Answer 4

@Jlynn89

Answer 5

I just had it written 7x(x+3)_ haha is why i was asking. I had it written like my other one where I did not do that.

Answer 6

no no they are in multiplication

Answer 7

@Jlynn89

Answer 8

Thanks ^^; I understand why it's to the power of 2 now.

Answer 9

wlcme :)