SOLUTION: How do you simplify 2x^2y^4+7x^2y^4-9x^4y^2?

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Question 633895: How do you simplify 2x^2y^4+7x^2y^4-9x^4y^2?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How do you simplify 2x^2y^4+7x^2y^4-9x^4y^2?
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= 9x^2y^4 - 9x^4y^2
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= 9x^2y^2(y^2-x^2)
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= 9x^2y^2(y-x)(y+x)
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Cheers,
Stan H.