SOLUTION: How do you factor 2x3-10x2+40=8x

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Question 405804: How do you factor 2x3-10x2+40=8x
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
factor 2x^3-10x^2+40=8x
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Rearrange:
2x^3-10x^2-8x+40 = 0
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2x^3-8x -10x^2+40 = 0
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2x(x^2-4) -10(x^2-4) = 0
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(x^2-4)(2x-10) = 0
x^2-4 = 0 or 2x-10 = 0
x = +-2 or x = 5
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Cheers,
Stan H.
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