How do you factor the trinomial #4-12x+9x^2#?
1 Answer
Apr 22, 2018
Explanation:
#9x^2-12x+4" is a perfect square"#
#"consider "(a-b)^2=a^2-2ab+b^2#
#"with "a=3x" and "b=2#
#rArr9x^2-12x+4=(3x-2)^2#
