-4x^2+12=0

Solution for -4x^2+12=0 equation:

Simplifying
-4x2 + 12 = 0

Reorder the terms:
12 + -4x2 = 0

Solving
12 + -4x2 = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -4x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -4x2 = 0 + -12
-4x2 = 0 + -12

Combine like terms: 0 + -12 = -12
-4x2 = -12

Divide each side by '-4'.
x2 = 3

Simplifying
x2 = 3

Take the square root of each side:
x = {-1.732050808, 1.732050808}