### Home > GC > Chapter 10 > Lesson 10.2.2 > Problem 10-73

10-73.

Substitute the solutions into the equation. Are the answers correct?

Rewrite the equation.

*w*² + 2*w* − 15 = 9 *w*² + 2*w* − 24 = 0

Factor the equation.

(*w* + 6)(*w* − 4) = 0

*w* = −6, 4

10-73.

Substitute the solutions into the equation. Are the answers correct?

Rewrite the equation.

*w*² + 2*w* − 15 = 9 *w*² + 2*w* − 24 = 0

Factor the equation.

(*w* + 6)(*w* − 4) = 0

*w* = −6, 4