Question

Rewrite without parentheses and simplify.
(u+6)²
Ú

Answer 1

u² + 36 + 12u

Explanation:

(u + 6)² =

u² + 36 + 12u

Answer 2

`u^2+12u+36`

Explanation:

`\begin{aligned}& \textsf{Given}: & & (u+6)^2 \\\\& \textsf{Expand the square}: & & (u+6)(u+6)\\\\& \textsf{Distribute}: & & u(u+6)+6(u+6)\\\\& \textsf{Distribute}: & & u^2+6u+6u+36\\\\& \textsf{Combine like terms}: \quad & &u^2+12u+36\end{aligned}`