SOLUTION: X^2-x=12 We have worked answer out to be 4 but can't show working as to how we got there could u help??

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Question 611303: X^2-x=12
We have worked answer out to be 4 but can't show working as to how we got there could u help??
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
X^2-x=12
x%5E2+-+x+-+12+=+0
(x-4)*(x+3) = 0
x = 4
x = -3