SOLUTION: factor completely: x^3 + 27 x^4

SOLUTION: factor completely: x^3 + 27 x^4 - 16 x^2y^3 + x^3y

Question 93325: factor completely:
x^3 + 27
x^4 - 16
x^2y^3 + x^3y

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
factor completely:
x^3 + 27 = (x^3+3^3) = (x+3)(x^2-3x+9)
-------------------
x^4 - 16 = (x^2+4)(x+2)(x-2)
----------------------
x^2y^3 + x^3y = x^2y(y^2+x)
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Cheers,
Stan H.

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