SOLUTION: simplify (x-2)*-2(x-2)-15 *= squared

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Question 155674: simplify (x-2)*-2(x-2)-15 *= squared
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
simplify (x-2)*-2(x-2)-15 *= squared
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Expand everything and collect terms
=(x^2 - 4x + 4) -2x + 4 -15
=x^2 - 6x - 7
BTW, that's (x-7)*(x+1)