-x^2+100=0

Solution for -x^2+100=0 equation:

Simplifying
-1x2 + 100 = 0

Reorder the terms:
100 + -1x2 = 0

Solving
100 + -1x2 = 0

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + -1x2 = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -1x2 = 0 + -100
-1x2 = 0 + -100

Combine like terms: 0 + -100 = -100
-1x2 = -100

Divide each side by '-1'.
x2 = 100

Simplifying
x2 = 100

Take the square root of each side:
x = {-10, 10}