x^2-27.81=0

Solution for x^2-27.81=0 equation:

Simplifying
x2 + -27.81 = 0

Reorder the terms:
-27.81 + x2 = 0

Solving
-27.81 + x2 = 0

Solving for variable 'x'.

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

Add '27.81' to each side of the equation.
-27.81 + 27.81 + x2 = 0 + 27.81

Combine like terms: -27.81 + 27.81 = 0.00
0.00 + x2 = 0 + 27.81
x2 = 0 + 27.81

Combine like terms: 0 + 27.81 = 27.81
x2 = 27.81

Simplifying
x2 = 27.81

Take the square root of each side:
x = {-5.273518749, 5.273518749}