5x^2-3=72

Solution for 5x^2-3=72 equation:

Simplifying
5x2 + -3 = 72

Reorder the terms:
-3 + 5x2 = 72

Solving
-3 + 5x2 = 72

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 = 72 + 3

Combine like terms: -3 + 3 = 0
0 + 5x2 = 72 + 3
5x2 = 72 + 3

Combine like terms: 72 + 3 = 75
5x2 = 75

Divide each side by '5'.
x2 = 15

Simplifying
x2 = 15

Take the square root of each side:
x = {-3.872983346, 3.872983346}