x^2-16-12=0

Solution for x^2-16-12=0 equation:

Simplifying
x2 + -16 + -12 = 0

Reorder the terms:
-16 + -12 + x2 = 0

Combine like terms: -16 + -12 = -28
-28 + x2 = 0

Solving
-28 + x2 = 0

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + x2 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + x2 = 0 + 28
x2 = 0 + 28

Combine like terms: 0 + 28 = 28
x2 = 28

Simplifying
x2 = 28

Take the square root of each side:
x = {-5.291502622, 5.291502622}