2y^2-25y-13=0

Solution for 2y^2-25y-13=0 equation:

Simplifying
2y2 + -25y + -13 = 0

Reorder the terms:
-13 + -25y + 2y2 = 0

Solving
-13 + -25y + 2y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-1 + -2y)(13 + -1y) = 0

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

Simplifying
-1 + -2y = 0

Solving
-1 + -2y = 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 + -2y = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -2y = 0 + 1
-2y = 0 + 1

Combine like terms: 0 + 1 = 1
-2y = 1

Divide each side by '-2'.
y = -0.5

Simplifying
y = -0.5
Subproblem 2
Set the factor '(13 + -1y)' equal to zero and attempt to solve:

Simplifying
13 + -1y = 0

Solving
13 + -1y = 0

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

Add '-13' to each side of the equation.
13 + -13 + -1y = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -1y = 0 + -13
-1y = 0 + -13

Combine like terms: 0 + -13 = -13
-1y = -13

Divide each side by '-1'.
y = 13

Simplifying
y = 13
Solution
y = {-0.5, 13}