2.25-x^2=0

Solution for 2.25-x^2=0 equation:

Simplifying
2.25 + -1x2 = 0

Solving
2.25 + -1x2 = 0

Solving for variable 'x'.

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

Add '-2.25' to each side of the equation.
2.25 + -2.25 + -1x2 = 0 + -2.25

Combine like terms: 2.25 + -2.25 = 0.00
0.00 + -1x2 = 0 + -2.25
-1x2 = 0 + -2.25

Combine like terms: 0 + -2.25 = -2.25
-1x2 = -2.25

Divide each side by '-1'.
x2 = 2.25

Simplifying
x2 = 2.25

Take the square root of each side:
x = {-1.5, 1.5}