x^2-2.8=0

Solution for x^2-2.8=0 equation:

Simplifying
x2 + -2.8 = 0

Reorder the terms:
-2.8 + x2 = 0

Solving
-2.8 + x2 = 0

Solving for variable 'x'.

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

Add '2.8' to each side of the equation.
-2.8 + 2.8 + x2 = 0 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + x2 = 0 + 2.8
x2 = 0 + 2.8

Combine like terms: 0 + 2.8 = 2.8
x2 = 2.8

Simplifying
x2 = 2.8

Take the square root of each side:
x = {-1.673320053, 1.673320053}