8=5x^2

Solution for 8=5x^2 equation:

Simplifying
8 = 5x2

Solving
8 = 5x2

Solving for variable 'x'.

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

Add '-5x2' to each side of the equation.
8 + -5x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
8 + -5x2 = 0

Add '-8' to each side of the equation.
8 + -8 + -5x2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -5x2 = 0 + -8
-5x2 = 0 + -8

Combine like terms: 0 + -8 = -8
-5x2 = -8

Divide each side by '-5'.
x2 = 1.6

Simplifying
x2 = 1.6

Take the square root of each side:
x = {-1.264911064, 1.264911064}