Question

find the solution set.
$x^2 - 2x - 8 = 0$
separate the two values with a comma.
enter the correct answer.

Explanation:

Step1: Factor the quadratic equation

$x^2 - 2x - 8 = (x-4)(x+2) = 0$

Step2: Solve for each factor

Set $x-4=0$ gives $x=4$; set $x+2=0$ gives $x=-2$

Answer:

$-2, 4$