Question

Factor completely: 12x2 − 27
(4x − 9)(3x + 3)
(4x − 9)(3x − 3)
3(2x − 3)(2x + 3)
3(2x − 3)(2x − 3)

Answer 1

Kay, remove what we can remove..in this case, we can remove the 3.

Answer 2

is it A

Answer 3

Then we are left with
3(4x+9)

Answer 4

No..you cannot forget the 3 we removed.

Answer 5

okay whats next

Answer 6

3(4x^2+9)
now factor it
So that leaves us with
3(2x − 3)(2x + 3)