-392x^2+196=0

Solution for -392x^2+196=0 equation:

Simplifying
-392x2 + 196 = 0

Reorder the terms:
196 + -392x2 = 0

Solving
196 + -392x2 = 0

Solving for variable 'x'.

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

Add '-196' to each side of the equation.
196 + -196 + -392x2 = 0 + -196

Combine like terms: 196 + -196 = 0
0 + -392x2 = 0 + -196
-392x2 = 0 + -196

Combine like terms: 0 + -196 = -196
-392x2 = -196

Divide each side by '-392'.
x2 = 0.5

Simplifying
x2 = 0.5

Take the square root of each side:
x = {-0.707106781, 0.707106781}