9y=5y^2-2

Solution for 9y=5y^2-2 equation:

Simplifying
9y = 5y2 + -2

Reorder the terms:
9y = -2 + 5y2

Solving
9y = -2 + 5y2

Solving for variable 'y'.

Reorder the terms:
2 + 9y + -5y2 = -2 + 5y2 + 2 + -5y2

Reorder the terms:
2 + 9y + -5y2 = -2 + 2 + 5y2 + -5y2

Combine like terms: -2 + 2 = 0
2 + 9y + -5y2 = 0 + 5y2 + -5y2
2 + 9y + -5y2 = 5y2 + -5y2

Combine like terms: 5y2 + -5y2 = 0
2 + 9y + -5y2 = 0

Factor a trinomial.
(2 + -1y)(1 + 5y) = 0

Subproblem 1
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
Subproblem 2
Set the factor '(1 + 5y)' equal to zero and attempt to solve:

Simplifying
1 + 5y = 0

Solving
1 + 5y = 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 + 5y = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 5y = 0 + -1
5y = 0 + -1

Combine like terms: 0 + -1 = -1
5y = -1

Divide each side by '5'.
y = -0.2

Simplifying
y = -0.2
Solution
y = {2, -0.2}