2*x*x+(-200)=0

Solution for 2*x*x+(-200)=0 equation:

Simplifying
2x * x + (-200) = 0

Multiply x * x
2x2 + (-200) = 0
2x2 + -200 = 0

Reorder the terms:
-200 + 2x2 = 0

Solving
-200 + 2x2 = 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 + 2x2 = 0 + 200

Combine like terms: -200 + 200 = 0
0 + 2x2 = 0 + 200
2x2 = 0 + 200

Combine like terms: 0 + 200 = 200
2x2 = 200

Divide each side by '2'.
x2 = 100

Simplifying
x2 = 100

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