Question

3a^3-9a^2-84a factor!

Answer 1

someone help

Answer 2

First factor out the a.
You will get a(3a^2+9a-84)
And then you should be able to factor out the inside.

Answer 3

would it be 3a(a+7)(a-4)

Answer 4

yes nice job!!!

Answer 5

i am doing an online homework and once i write my answer it tells me if i am wrong or right. And it tells me that im wrong.

Answer 6

Factor out a from (3a^3-9a^2-84a)
a(3a^2 - 9a - 84)
Factor out 3
3a(a^2 - 3a - 28)
3a(a-7)(a+4)

Answer 7

3c^2+8c+5 factor!

Answer 8

An easy way to factor is to create an x chart. On the left side of the x you put in the multiples of the number on x^2 and at the right side you put the constant. so something like this...