Question

Factor.


9x2 + 15x

A.
x(3x + 5)

B.
3x(3x + 5)

C.
9x(x + 5)

D.
3x2(3x + 5)

Answer 1

what is the greatest common factor of 9 and 15?

Answer 2

analysis it to be
3*3*X*X+3*5*X
you see{ + } between 3*3*X*X and 3*5*X
so
take what they are similar

Answer 3

3

Answer 4

So it's B?

Answer 5

I think it's B or D

Answer 6

i think it is B

Answer 7

\[3x(3x + 5) =3x\times 3x+3x\times 5=9x^2+15x\]