50=x(x*0.16)

Solution for 50=x(x*0.16) equation:

Simplifying
50 = x(x * 0.16)

Reorder the terms for easier multiplication:
50 = x(0.16x)

Remove parenthesis around (0.16x)
50 = x * 0.16x

Reorder the terms for easier multiplication:
50 = 0.16x * x

Multiply x * x
50 = 0.16x2

Solving
50 = 0.16x2

Solving for variable 'x'.

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

Add '-0.16x2' to each side of the equation.
50 + -0.16x2 = 0.16x2 + -0.16x2

Combine like terms: 0.16x2 + -0.16x2 = 0.00
50 + -0.16x2 = 0.00

Add '-50' to each side of the equation.
50 + -50 + -0.16x2 = 0.00 + -50

Combine like terms: 50 + -50 = 0
0 + -0.16x2 = 0.00 + -50
-0.16x2 = 0.00 + -50

Combine like terms: 0.00 + -50 = -50
-0.16x2 = -50

Divide each side by '-0.16'.
x2 = 312.5

Simplifying
x2 = 312.5

Take the square root of each side:
x = {-17.67766953, 17.67766953}