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stupidinmath

  • 3 years ago

how to factor x^2+9x=20+8x

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  1. nubeer
    • 3 years ago
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    x^2+9x-8x-20= 0 x^2+x-20 = 0 x^2 +5x-4x-20= 0 x(x+5) -4 (x+5) =0 (x+5)(x-4) =0

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