20y^2-y-30=

Solution for 20y^2-y-30= equation:

Simplifying
20y2 + -1y + -30 = 0

Reorder the terms:
-30 + -1y + 20y2 = 0

Solving
-30 + -1y + 20y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-6 + -5y)(5 + -4y) = 0

Subproblem 1
Set the factor '(-6 + -5y)' equal to zero and attempt to solve:

Simplifying
-6 + -5y = 0

Solving
-6 + -5y = 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 + -5y = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -5y = 0 + 6
-5y = 0 + 6

Combine like terms: 0 + 6 = 6
-5y = 6

Divide each side by '-5'.
y = -1.2

Simplifying
y = -1.2
Subproblem 2
Set the factor '(5 + -4y)' equal to zero and attempt to solve:

Simplifying
5 + -4y = 0

Solving
5 + -4y = 0

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

Add '-5' to each side of the equation.
5 + -5 + -4y = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -4y = 0 + -5
-4y = 0 + -5

Combine like terms: 0 + -5 = -5
-4y = -5

Divide each side by '-4'.
y = 1.25

Simplifying
y = 1.25
Solution
y = {-1.2, 1.25}