z^2+2-12=0

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

Simplifying
z2 + 2 + -12 = 0

Reorder the terms:
2 + -12 + z2 = 0

Combine like terms: 2 + -12 = -10
-10 + z2 = 0

Solving
-10 + z2 = 0

Solving for variable 'z'.

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

Add '10' to each side of the equation.
-10 + 10 + z2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + z2 = 0 + 10
z2 = 0 + 10

Combine like terms: 0 + 10 = 10
z2 = 10

Simplifying
z2 = 10

Take the square root of each side:
z = {-3.16227766, 3.16227766}