Question

find the product of (x+2)^3

Answer 1

heard of binomial theorem or pascal triangle ?

Answer 2

http://ptri1.tripod.com/ptreal1r.gif

Answer 3

use Row3 for coefficients as the exponent is 3

Answer 4

\[\large \begin{align} (x+2)^3 &= \color{red}{1}x^32^0 + \color{red}{3}x^22^1 + \color{red}{3}x2^2 + \color{red}{1}x^02^3\\~\\&=x^3 + 6x^2 + 12x + 8\end{align}\]