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4 votes
Factor this for me please!

Factor this for me please!-example-1
User KingJinho
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1 Answer

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-28x^2y^4+36xy^4+40y^4=-4y^4(7x^2-9x-10)=-4y^4(7x^2-14x+5x-10)\\\\-4y^4\left[(7x(x-2)+5(x-2)\right]=-4y^4(x-2)(7x+5)
User Benqus
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