### Home > INT2 > Chapter 5 > Lesson 5.1.4 > Problem5-45

5-45.

What values of $x$ will make the following equations true?

1. $x^2 = 64$

$x = 8$ or $–8$

1. $(x + 1)^2 = 64$

This is the same as part (a), but instead of $x$ the equation has $x + 1$.

1. $( x + 1 ) ^ { 2 } - 64 = 0$

Add $64$ to both sides. This problem looks very familiar now.