4z^2-16+12=0

Solution for 4z^2-16+12=0 equation:

Simplifying
4z2 + -16 + 12 = 0

Reorder the terms:
-16 + 12 + 4z2 = 0

Combine like terms: -16 + 12 = -4
-4 + 4z2 = 0

Solving
-4 + 4z2 = 0

Solving for variable 'z'.

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

Add '4' to each side of the equation.
-4 + 4 + 4z2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 4z2 = 0 + 4
4z2 = 0 + 4

Combine like terms: 0 + 4 = 4
4z2 = 4

Divide each side by '4'.
z2 = 1

Simplifying
z2 = 1

Take the square root of each side:
z = {-1, 1}