### Home > CCG > Chapter 1 > Lesson 1.2.2 > Problem 1-67

1-67.

For each equation below, find if

*.*

Substitute

for and solve for.

The square of a negative number is always a positive number.

1-67.

For each equation below, find if

Substitute

for and solve for.

The square of a negative number is always a positive number.