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26-09-2016
Mathematics

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What is the factored form of the polynomial? x^2+9x+20

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jhonyy9 jhonyy9

27-09-2016

x^2 +9x +20 = x*x +5x +4x +5*4 = x(x+5) +4(x+5) = (x+4)(x+5)

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