Chapter 14.5, Problem 1ACYP

To determine

To multiply:The given expression.

Answer to Problem 1ACYP

The expression after multiplication is $x^2+8x+16$ .

Explanation of Solution

Given information:

The expressionis $\left(x+4\right)\left(x+4\right)$ .

Calculation:

Consider the expression.

  $\begin{array}{c}\left(x+4\right)\left(x+4\right)=x\left(x+4\right)+4\left(x+4\right)\\ =x^2+4x+4x+16\\ =x^2+8x+16\end{array}$