SOLUTION: (x + 5y)^3

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Question 118527: (x + 5y)^3
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(x + 5y)^3
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Form: (a+b)^3 = a^3+3a^2b+3ab^2+b^3
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Your Problem:
(x+5y)^3 = x^3 + 3x^2(5y) + 3*x(5y)^2 + (5y)^3
= x^3 + 15x^2y + 75xy^2 + 125y^3
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Cheers,
Stan H.