SOLUTION: please show me how you got the answer. Factor this expression completely. y3 - 27

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: please show me how you got the answer. Factor this expression completely. y3 - 27       Log On


   

Question 277504: please show me how you got the answer.
Factor this expression completely.
y3 - 27

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Factor this expression completely.
y^3 - 27
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General Form:
a^3-b^3 = (a-b)(a^2+ab+b^2)
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Your Problem:
y^3 - 3^3 = (y-3)(y^2+3y+9)
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Cheers,
Stan H.