help!!! i don't know how to factorize 9x*squared* - 12x +4! HELLLPPPPPP!
2 answers
hint: perfect square
9x2 -12x + 4
What is 2*2*3? ahha!
(3x-2)(3x-2) How did I arrive at that? I know the center term is always 2ab in
a perfect square, such as (ax+b)^2 Memorize that.
What is 2*2*3? ahha!
(3x-2)(3x-2) How did I arrive at that? I know the center term is always 2ab in
a perfect square, such as (ax+b)^2 Memorize that.
4 answers