SOLUTION: x^3+2x^2=16x+32

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Question 418540: x^3+2x^2=16x+32
Answer by dnanos(83) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E3%2B2x%5E2-16x-32=0
x%5E2%28x%2B2%29-16%28x%2B2%29=0
%28x%2B2%29%28x%5E2-16%29=0
%28x%2B2%29%28x%5E2-4%5E2%29=0
%28x%2B2%29%28x%2B2%29%28x-2%29=0
%28x%2B2%29%5E2%28x-2%29=0
x+2=0 OR x-2=0
x=-2 OR x=2
Two solutions x=2;x=-2