2y^2-72y+198=0

Solution for 2y^2-72y+198=0 equation:

Simplifying
2y2 + -72y + 198 = 0

Reorder the terms:
198 + -72y + 2y2 = 0

Solving
198 + -72y + 2y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '2'.
2(99 + -36y + y2) = 0

Factor a trinomial.
2((3 + -1y)(33 + -1y)) = 0

Ignore the factor 2.
Subproblem 1
Set the factor '(3 + -1y)' equal to zero and attempt to solve:

Simplifying
3 + -1y = 0

Solving
3 + -1y = 0

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

Add '-3' to each side of the equation.
3 + -3 + -1y = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1y = 0 + -3
-1y = 0 + -3

Combine like terms: 0 + -3 = -3
-1y = -3

Divide each side by '-1'.
y = 3

Simplifying
y = 3
Subproblem 2
Set the factor '(33 + -1y)' equal to zero and attempt to solve:

Simplifying
33 + -1y = 0

Solving
33 + -1y = 0

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

Add '-33' to each side of the equation.
33 + -33 + -1y = 0 + -33

Combine like terms: 33 + -33 = 0
0 + -1y = 0 + -33
-1y = 0 + -33

Combine like terms: 0 + -33 = -33
-1y = -33

Divide each side by '-1'.
y = 33

Simplifying
y = 33
Solution
y = {3, 33}