-x^2+12-1=0

Solution for -x^2+12-1=0 equation:

Simplifying
-1x2 + 12 + -1 = 0

Reorder the terms:
12 + -1 + -1x2 = 0

Combine like terms: 12 + -1 = 11
11 + -1x2 = 0

Solving
11 + -1x2 = 0

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + -1x2 = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -1x2 = 0 + -11
-1x2 = 0 + -11

Combine like terms: 0 + -11 = -11
-1x2 = -11

Divide each side by '-1'.
x2 = 11

Simplifying
x2 = 11

Take the square root of each side:
x = {-3.31662479, 3.31662479}