200m^2-392=0

Solution for 200m^2-392=0 equation:

Simplifying
200m2 + -392 = 0

Reorder the terms:
-392 + 200m2 = 0

Solving
-392 + 200m2 = 0

Solving for variable 'm'.

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

Add '392' to each side of the equation.
-392 + 392 + 200m2 = 0 + 392

Combine like terms: -392 + 392 = 0
0 + 200m2 = 0 + 392
200m2 = 0 + 392

Combine like terms: 0 + 392 = 392
200m2 = 392

Divide each side by '200'.
m2 = 1.96

Simplifying
m2 = 1.96

Take the square root of each side:
m = {-1.4, 1.4}