80=x*1.5x

Solution for 80=x*1.5x equation:

Simplifying
80 = x * 1.5x

Reorder the terms for easier multiplication:
80 = 1.5x * x

Multiply x * x
80 = 1.5x2

Solving
80 = 1.5x2

Solving for variable 'x'.

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

Add '-1.5x2' to each side of the equation.
80 + -1.5x2 = 1.5x2 + -1.5x2

Combine like terms: 1.5x2 + -1.5x2 = 0.0
80 + -1.5x2 = 0.0

Add '-80' to each side of the equation.
80 + -80 + -1.5x2 = 0.0 + -80

Combine like terms: 80 + -80 = 0
0 + -1.5x2 = 0.0 + -80
-1.5x2 = 0.0 + -80

Combine like terms: 0.0 + -80 = -80
-1.5x2 = -80

Divide each side by '-1.5'.
x2 = 53.33333333

Simplifying
x2 = 53.33333333

Take the square root of each side:
x = {-7.302967433, 7.302967433}