Question

Solve each equation by factoring,
x² - 2x - 15 = 0​

Answer 1

x=−3 or x=5

Explanation:

x2−2x−15=0

Step 1: Factor left side of equation.

(x+3)(x−5)=0

Step 2: Set factors equal to 0.

x+3=0 or x−5=0

x=−3 or x=5