SOLUTION: solving quadratics 3x2+9x=12

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Question 478845: solving quadratics 3x2+9x=12
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
3x%5E2%2B9x=12
move all terms to one side:
3x%5E2%2B9x-12=0
divide both sides by 3:
x%5E2%2B3x-4=0
factoring:
%28x%2B4%29%28x-1%29=0
x = {-4, 1}