-196=-9.8t^2

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

Simplifying
-196 = -9.8t2

Solving
-196 = -9.8t2

Solving for variable 't'.

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

Add '9.8t2' to each side of the equation.
-196 + 9.8t2 = -9.8t2 + 9.8t2

Combine like terms: -9.8t2 + 9.8t2 = 0.0
-196 + 9.8t2 = 0.0

Add '196' to each side of the equation.
-196 + 196 + 9.8t2 = 0.0 + 196

Combine like terms: -196 + 196 = 0
0 + 9.8t2 = 0.0 + 196
9.8t2 = 0.0 + 196

Combine like terms: 0.0 + 196 = 196
9.8t2 = 196

Divide each side by '9.8'.
t2 = 20

Simplifying
t2 = 20

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