3y^2-16y-7=5

Solution for 3y^2-16y-7=5 equation:

Simplifying
3y2 + -16y + -7 = 5

Reorder the terms:
-7 + -16y + 3y2 = 5

Solving
-7 + -16y + 3y2 = 5

Solving for variable 'y'.

Reorder the terms:
-7 + -5 + -16y + 3y2 = 5 + -5

Combine like terms: -7 + -5 = -12
-12 + -16y + 3y2 = 5 + -5

Combine like terms: 5 + -5 = 0
-12 + -16y + 3y2 = 0

Factor a trinomial.
(-2 + -3y)(6 + -1y) = 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 '(6 + -1y)' equal to zero and attempt to solve:

Simplifying
6 + -1y = 0

Solving
6 + -1y = 0

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

Add '-6' to each side of the equation.
6 + -6 + -1y = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1y = 0 + -6
-1y = 0 + -6

Combine like terms: 0 + -6 = -6
-1y = -6

Divide each side by '-1'.
y = 6

Simplifying
y = 6
Solution
y = {-0.6666666667, 6}