Question

factor the trinomial completely
12x^3-27x^2-27x

Answer 1

hint: you can take a 3x out of all of the terms

Answer 2

that would be the common factor Duh!!!

Answer 3

so what do you get if you do that

Answer 4

so I get 3x(4x^2-9x-9)?

Answer 5

perfect

Answer 6

so that's my answer?

Answer 7

you can factor 4x^2 - 9x - 9

Answer 8

do you know the quadratic formula?

Answer 9

(x-9)(x-1)?

Answer 10

nope

Answer 11

(x+1)?

Answer 12

no, it's (x-3)(4x+3)

Answer 13

why?? how??

Answer 14

i got it using the quadratic formula; do you know what that is?

Answer 15

I do, but I dont understand it. I cant grasp the concept of it.

Answer 16

ax^2 + bx + c = 0