5.2x^2-28.8+32=320

Solution for 5.2x^2-28.8+32=320 equation:

Simplifying
5.2x2 + -28.8 + 32 = 320

Reorder the terms:
-28.8 + 32 + 5.2x2 = 320

Combine like terms: -28.8 + 32 = 3.2
3.2 + 5.2x2 = 320

Solving
3.2 + 5.2x2 = 320

Solving for variable 'x'.

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

Add '-3.2' to each side of the equation.
3.2 + -3.2 + 5.2x2 = 320 + -3.2

Combine like terms: 3.2 + -3.2 = 0.0
0.0 + 5.2x2 = 320 + -3.2
5.2x2 = 320 + -3.2

Combine like terms: 320 + -3.2 = 316.8
5.2x2 = 316.8

Divide each side by '5.2'.
x2 = 60.92307692

Simplifying
x2 = 60.92307692

Take the square root of each side:
x = {-7.805323627, 7.805323627}