simplify (x+8)^3

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simplify (x+8)^3

Guest Jun 13, 2014

+3454

0

NinjaDevo Jun 13, 2014

+118724

+5

Best Answer

Doing it by binomial expansion I get.

$$x^3+3x^2\times 8+3x\times 8^2+8^3\\

=x^3+24x^2+192x+512$$

I haven't checked but I if I didn't make a stupid mistake that is correct.

Melody Jun 13, 2014

Melody · Answer 1 · 2014-06-13T03:46:48

Doing it by binomial expansion I get.

$$x^3+3x^2\times 8+3x\times 8^2+8^3\\

=x^3+24x^2+192x+512$$

I haven't checked but I if I didn't make a stupid mistake that is correct.