How do you factor the trinomial $4-12x+9x^2$ ?

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Answer 1 · 2018-04-22T09:49:53

$(3x-2)^2$

$9x^2-12x+4" is a perfect square"$

$"consider "(a-b)^2=a^2-2ab+b^2$

$"with "a=3x" and "b=2$

$rArr9x^2-12x+4=(3x-2)^2$

How do you factor the trinomial 4-12x+9x^24-12x+9x^2?