## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$$x=4$$
In order to solve the equation, we first simplify both sides of the equation. Next, we isolate the variable. Doing this, we find: $$16x-16=x^2+8x \\ x^2-8x+16=0 \\ (x-4)^2=0 \\ x=4$$