Question

factor the trinomial 5c^2-55c+120

Answer 1

Whats the gcf of all of that?

Answer 2

5

Answer 3

Yep so take that out and we get:
5(c^2-11+24)

Answer 4

I thought there was more to it?

Answer 5

Yes, now factor whats inside the parentheses.

What two numbers can multiply together to get 24, but you can also add or subtract them to get -11?

Answer 6

8 and 3

Answer 7

Yep. So we get (x-8) (x-3)
x=8 and x=3

Answer 8

I went too far, we didnt have to solve for x.

Answer 9

so my final answer will be 5(c+8)(c+3)

Answer 10

5(c-8)(c-3)

Answer 11

Ok thank you!