-x^2+200=0

Solution for -x^2+200=0 equation:

Simplifying
-1x2 + 200 = 0

Reorder the terms:
200 + -1x2 = 0

Solving
200 + -1x2 = 0

Solving for variable 'x'.

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

Add '-200' to each side of the equation.
200 + -200 + -1x2 = 0 + -200

Combine like terms: 200 + -200 = 0
0 + -1x2 = 0 + -200
-1x2 = 0 + -200

Combine like terms: 0 + -200 = -200
-1x2 = -200

Divide each side by '-1'.
x2 = 200

Simplifying
x2 = 200

Take the square root of each side:
x = {-14.142135624, 14.142135624}