SOLUTION: How would I factor completely 4x^2-12x+9?

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Question 943329: How would I factor completely 4x^2-12x+9?
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
check to see if it's a square of a binomial.

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Try combination trials, or just use the discriminant.

%28-12%29%5E2-4%2A4%2A9
144-16%2A9=144-144=highlight%280%29, meaning your quadratic expression is a perfect square.

%282x-3%29%5E2