gsophia147oqxg7f
gsophia147oqxg7f
04-10-2017
Mathematics
contestada
factor completely: x^3+8x^2+7x
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Catya
Catya
04-10-2017
there's an x in all terms so factor that out first.
x(x^2 + 8x + 7)
now it's x multiplied by a typical parabolic equation. factor this normally by seeing what multiplies to give 7 and adds to give 8.
x(x + 7)(x + 1)
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