Question

whats is x2 - x - 12 = 0

Answer 1

Answer:

x = -3 or x = 4

Step-by-step explanation:

$x^2-x-12=0$

$(x+3)(x-4)=0$

$x + 3 = 0$

$x = -3$

$x - 4 = 0$

$x = 4$

Answer 2

Answer:

x=-3 or x=4

Step-by-step explanation:

x2−x−12=0

Step 1: Factor left side of equation.

(x+3)(x−4)=0

Step 2: Set factors equal to 0.

x+3=0 or x−4=0

x=−3 or x=4