Solve the equation by the zero-factor property.
-$$x ^ { 2 } - 2 x - 24 = 0$$
A) $\{ 6 , - 4 \}$
B) $\{ - 20 , - 4 \}$
C) $\{ 5 , - 5 \}$
D) $\{ - 6,4 \}$

Question

Quizplus · Accepted Answer

First, factor the quadratic equation $x^2 - 2x - 24 = 0$ to $(x - 6)(x + 4) = 0$. Then, set each factor equal to zero: $x - 6 = 0$ and $x + 4 = 0$, which gives the solutions $x = 6$ and $x = -4$, respectively.

Solve the Equation by the Zero-Factor Property x2−2x−24=0x ^ { 2 } - 2 x - 24 = 0x2−2x−24=0

Solve the Equation by the Zero-Factor Property $x ^ { 2 } - 2 x - 24 = 0$