-196=-9.8x^2

Solution for -196=-9.8x^2 equation:

Simplifying
-196 = -9.8x2

Solving
-196 = -9.8x2

Solving for variable 'x'.

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

Add '9.8x2' to each side of the equation.
-196 + 9.8x2 = -9.8x2 + 9.8x2

Combine like terms: -9.8x2 + 9.8x2 = 0.0
-196 + 9.8x2 = 0.0

Add '196' to each side of the equation.
-196 + 196 + 9.8x2 = 0.0 + 196

Combine like terms: -196 + 196 = 0
0 + 9.8x2 = 0.0 + 196
9.8x2 = 0.0 + 196

Combine like terms: 0.0 + 196 = 196
9.8x2 = 196

Divide each side by '9.8'.
x2 = 20

Simplifying
x2 = 20

Take the square root of each side:
x = {-4.472135955, 4.472135955}