x*4x-8=16

Solution for x*4x-8=16 equation:

Simplifying
x * 4x + -8 = 16

Reorder the terms for easier multiplication:
4x * x + -8 = 16

Multiply x * x
4x2 + -8 = 16

Reorder the terms:
-8 + 4x2 = 16

Solving
-8 + 4x2 = 16

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 4x2 = 16 + 8

Combine like terms: -8 + 8 = 0
0 + 4x2 = 16 + 8
4x2 = 16 + 8

Combine like terms: 16 + 8 = 24
4x2 = 24

Divide each side by '4'.
x2 = 6

Simplifying
x2 = 6

Take the square root of each side:
x = {-2.449489743, 2.449489743}