(2y-6)y=-4

Solution for (2y-6)y=-4 equation:

Simplifying
(2y + -6) * y = -4

Reorder the terms:
(-6 + 2y) * y = -4

Reorder the terms for easier multiplication:
y(-6 + 2y) = -4
(-6 * y + 2y * y) = -4
(-6y + 2y2) = -4

Solving
-6y + 2y2 = -4

Solving for variable 'y'.

Reorder the terms:
4 + -6y + 2y2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + -6y + 2y2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(2 + -3y + y2) = 0

Factor a trinomial.
2((1 + -1y)(2 + -1y)) = 0

Ignore the factor 2.
Subproblem 1
Set the factor '(1 + -1y)' equal to zero and attempt to solve:

Simplifying
1 + -1y = 0

Solving
1 + -1y = 0

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

Add '-1' to each side of the equation.
1 + -1 + -1y = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1y = 0 + -1
-1y = 0 + -1

Combine like terms: 0 + -1 = -1
-1y = -1

Divide each side by '-1'.
y = 1

Simplifying
y = 1
Subproblem 2
Set the factor '(2 + -1y)' equal to zero and attempt to solve:

Simplifying
2 + -1y = 0

Solving
2 + -1y = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1y = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1y = 0 + -2
-1y = 0 + -2

Combine like terms: 0 + -2 = -2
-1y = -2

Divide each side by '-1'.
y = 2

Simplifying
y = 2
Solution
y = {1, 2}