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01-07-2016
Mathematics

contestada

x^3 4x^2 5x 20 factored by grouping

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01-07-2016

Hello,
+++++++++++++++
x^3+4x²+5x+20=x²(x+4)+5(x+4)=(x+4)(x²+5)
++++++++++++++++++++++++++++++++++

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