SOLUTION: Factor when possible: x^2+8x-12 Please show me the steps to get the answer. Thanks

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Question 462090: Factor when possible:
x^2+8x-12
Please show me the steps to get the answer. Thanks
Answer by rwm(914)   (Show Source): You can put this solution on YOUR website!
factors of -12 which add up to 8
xy=-12
x+y=8
can't be factored rationally
-(-x+2 sqrt(7)-4)* (x+2 sqrt(7)+4)
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