3(2-y^2)=7y

Solution for 3(2-y^2)=7y equation:

Simplifying
3(2 + -1y2) = 7y
(2 * 3 + -1y2 * 3) = 7y
(6 + -3y2) = 7y

Solving
6 + -3y2 = 7y

Solving for variable 'y'.

Reorder the terms:
6 + -7y + -3y2 = 7y + -7y

Combine like terms: 7y + -7y = 0
6 + -7y + -3y2 = 0

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

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

Simplifying
2 + -3y = 0

Solving
2 + -3y = 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 + -3y = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -3y = 0 + -2
-3y = 0 + -2

Combine like terms: 0 + -2 = -2
-3y = -2

Divide each side by '-3'.
y = 0.6666666667

Simplifying
y = 0.6666666667
Subproblem 2
Set the factor '(3 + y)' equal to zero and attempt to solve:

Simplifying
3 + y = 0

Solving
3 + y = 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 + y = 0 + -3

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

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

Simplifying
y = -3
Solution
y = {0.6666666667, -3}