-5.5X^2+198=0

Solution for -5.5X^2+198=0 equation:

Simplifying
-5.5X2 + 198 = 0

Reorder the terms:
198 + -5.5X2 = 0

Solving
198 + -5.5X2 = 0

Solving for variable 'X'.

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

Add '-198' to each side of the equation.
198 + -198 + -5.5X2 = 0 + -198

Combine like terms: 198 + -198 = 0
0 + -5.5X2 = 0 + -198
-5.5X2 = 0 + -198

Combine like terms: 0 + -198 = -198
-5.5X2 = -198

Divide each side by '-5.5'.
X2 = 36

Simplifying
X2 = 36

Take the square root of each side:
X = {-6, 6}