### Home > CCA2 > Chapter 6 > Lesson 6.1.3 > Problem 6-40

6-40.

Solve

You should have gotten two values for

when you solved. Did you? If not, rework the problem. Add x to both sides of the equation, then square each side.

Did you check

*both*solutions? What happened?One of the two solutions is extraneous (does not check).