x*5x-3=68

Solution for x*5x-3=68 equation:

Simplifying
x * 5x + -3 = 68

Reorder the terms for easier multiplication:
5x * x + -3 = 68

Multiply x * x
5x2 + -3 = 68

Reorder the terms:
-3 + 5x2 = 68

Solving
-3 + 5x2 = 68

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 = 68 + 3

Combine like terms: -3 + 3 = 0
0 + 5x2 = 68 + 3
5x2 = 68 + 3

Combine like terms: 68 + 3 = 71
5x2 = 71

Divide each side by '5'.
x2 = 14.2

Simplifying
x2 = 14.2

Take the square root of each side:
x = {-3.768288736, 3.768288736}