2.89=x^2

Solution for 2.89=x^2 equation:

Simplifying
2.89 = x2

Solving
2.89 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
2.89 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
2.89 + -1x2 = 0

Add '-2.89' to each side of the equation.
2.89 + -2.89 + -1x2 = 0 + -2.89

Combine like terms: 2.89 + -2.89 = 0.00
0.00 + -1x2 = 0 + -2.89
-1x2 = 0 + -2.89

Combine like terms: 0 + -2.89 = -2.89
-1x2 = -2.89

Divide each side by '-1'.
x2 = 2.89

Simplifying
x2 = 2.89

Take the square root of each side:
x = {-1.7, 1.7}