Question

What is the standard form of a polynomial `x(x+2)^2`?

Answer 1

`x^3+4x^2+4x`

Explanation:

`(x+2)^2`=(x+2)(x+2)=`x^2+4x+4`

Now, distribute the x outside of the parentheses:

`x(x^2+4x+4)`=`x^3+4x^2+4x`