(-2)(x^2-4)=

Solution for (-2)(x^2-4)= equation:

Simplifying
(-2)(x2 + -4) = 0

Reorder the terms:
-2(-4 + x2) = 0
(-4 * -2 + x2 * -2) = 0
(8 + -2x2) = 0

Solving
8 + -2x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + -2x2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2x2 = 0 + -8
-2x2 = 0 + -8

Combine like terms: 0 + -8 = -8
-2x2 = -8

Divide each side by '-2'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}