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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.

w² + 2w − 15 = 9
w² + 2w − 24 = 0

Factor the equation.

(w + 6)(w − 4) = 0

w = −6, 4