SOLUTION: how to simplify (2h-6)^3

Question 513174: how to simplify (2h-6)^3
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
simplify (2h-6)^3
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= 3C3*(2h)^3 + 3C2(2h)^2(-6) + 3C1(2h)(-6^2) + 3C0(-6)^3
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= 8h^3 - 18(4h^2) + 3*26(2h) + (-216)
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= 8h^3 - 72h^2 + 156h - 216
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Cheers,
Stan H.
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