5x^2+3=57

Solution for 5x^2+3=57 equation:

Simplifying
5x2 + 3 = 57

Reorder the terms:
3 + 5x2 = 57

Solving
3 + 5x2 = 57

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 5x2 = 57 + -3

Combine like terms: 3 + -3 = 0
0 + 5x2 = 57 + -3
5x2 = 57 + -3

Combine like terms: 57 + -3 = 54
5x2 = 54

Divide each side by '5'.
x2 = 10.8

Simplifying
x2 = 10.8

Take the square root of each side:
x = {-3.286335345, 3.286335345}