SOLUTION: simplify. {{{ (y-2)/(-2x^2-10y) * (4y^2+20y)/(y^2-4) }}} these are both fractions

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Question 455543: simplify.



these are both fractions

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
(y-2)/(-2x^2-10y) * (4y^2+20y)/(y^2-4)
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Factor:
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(y-2)/(-2(x^2+5y)) * (4y(y+5))/((y-2)(y+2))
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Cancel factors common a numerator and a denominator:
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= (1)/(-(x^2+5y)) * (2y(y+5))/((1)(y+2))
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= (2y(y+5))/[-x^2+5y)(y+2)]
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Cheers,
Stan H.

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