Question

A student performed the following steps to find the solution to the equation x^2-2x-15=0 Where did the student go wrong? STEP 1: factor the polynomial into (x+3) and (x-5) STEP 2: x+3=0 and x-5=0 STEP 3: x=3 and x=-5 A) the student did not make any mistakes, the solution is correct B) in step 3 C) in step 1 D) in step 2

Answer 1

B. In step 3

They incorrectly solved for x. It should have been x=-3 and x=5