x^2+2.8=3.2

Solution for x^2+2.8=3.2 equation:

Simplifying
x2 + 2.8 = 3.2

Reorder the terms:
2.8 + x2 = 3.2

Solving
2.8 + x2 = 3.2

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 = 3.2 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + x2 = 3.2 + -2.8
x2 = 3.2 + -2.8

Combine like terms: 3.2 + -2.8 = 0.4
x2 = 0.4

Simplifying
x2 = 0.4

Take the square root of each side:
x = {-0.632455532, 0.632455532}