180-0.90x^2=0

Solution for 180-0.90x^2=0 equation:

Simplifying
180 + -0.90x2 = 0

Solving
180 + -0.90x2 = 0

Solving for variable 'x'.

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

Add '-180' to each side of the equation.
180 + -180 + -0.90x2 = 0 + -180

Combine like terms: 180 + -180 = 0
0 + -0.90x2 = 0 + -180
-0.90x2 = 0 + -180

Combine like terms: 0 + -180 = -180
-0.90x2 = -180

Divide each side by '-0.90'.
x2 = 200

Simplifying
x2 = 200

Take the square root of each side:
x = {-14.142135624, 14.142135624}