0.18y(y-1)+0.06y=0.04y-0.2

Solution for 0.18y(y-1)+0.06y=0.04y-0.2 equation:

Simplifying
0.18y(y + -1) + 0.06y = 0.04y + -0.2

Reorder the terms:
0.18y(-1 + y) + 0.06y = 0.04y + -0.2
(-1 * 0.18y + y * 0.18y) + 0.06y = 0.04y + -0.2
(-0.18y + 0.18y2) + 0.06y = 0.04y + -0.2

Reorder the terms:
-0.18y + 0.06y + 0.18y2 = 0.04y + -0.2

Combine like terms: -0.18y + 0.06y = -0.12y
-0.12y + 0.18y2 = 0.04y + -0.2

Reorder the terms:
-0.12y + 0.18y2 = -0.2 + 0.04y

Solving
-0.12y + 0.18y2 = -0.2 + 0.04y

Solving for variable 'y'.

Reorder the terms:
0.2 + -0.12y + -0.04y + 0.18y2 = -0.2 + 0.04y + 0.2 + -0.04y

Combine like terms: -0.12y + -0.04y = -0.16y
0.2 + -0.16y + 0.18y2 = -0.2 + 0.04y + 0.2 + -0.04y

Reorder the terms:
0.2 + -0.16y + 0.18y2 = -0.2 + 0.2 + 0.04y + -0.04y

Combine like terms: -0.2 + 0.2 = 0.0
0.2 + -0.16y + 0.18y2 = 0.0 + 0.04y + -0.04y
0.2 + -0.16y + 0.18y2 = 0.04y + -0.04y

Combine like terms: 0.04y + -0.04y = 0.00
0.2 + -0.16y + 0.18y2 = 0.00

Begin completing the square.  Divide all terms by
0.18 the coefficient of the squared term: 

Divide each side by '0.18'.
1.111111111 + -0.8888888889y + y2 = 0

Move the constant term to the right:

Add '-1.111111111' to each side of the equation.
1.111111111 + -0.8888888889y + -1.111111111 + y2 = 0 + -1.111111111

Reorder the terms:
1.111111111 + -1.111111111 + -0.8888888889y + y2 = 0 + -1.111111111

Combine like terms: 1.111111111 + -1.111111111 = 0.000000000
0.000000000 + -0.8888888889y + y2 = 0 + -1.111111111
-0.8888888889y + y2 = 0 + -1.111111111

Combine like terms: 0 + -1.111111111 = -1.111111111
-0.8888888889y + y2 = -1.111111111

The y term is -0.8888888889y.  Take half its coefficient (-0.4444444445).
Square it (0.1975308642) and add it to both sides.

Add '0.1975308642' to each side of the equation.
-0.8888888889y + 0.1975308642 + y2 = -1.111111111 + 0.1975308642

Reorder the terms:
0.1975308642 + -0.8888888889y + y2 = -1.111111111 + 0.1975308642

Combine like terms: -1.111111111 + 0.1975308642 = -0.9135802468
0.1975308642 + -0.8888888889y + y2 = -0.9135802468

Factor a perfect square on the left side:
(y + -0.4444444445)(y + -0.4444444445) = -0.9135802468

Can't calculate square root of the right side.

The solution to this equation could not be determined.