4(x^2-4)=

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

Simplifying
4(x2 + -4) = 0

Reorder the terms:
4(-4 + x2) = 0
(-4 * 4 + x2 * 4) = 0
(-16 + 4x2) = 0

Solving
-16 + 4x2 = 0

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 4x2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 4x2 = 0 + 16
4x2 = 0 + 16

Combine like terms: 0 + 16 = 16
4x2 = 16

Divide each side by '4'.
x2 = 4

Simplifying
x2 = 4

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