20w^2+13w-15=

Solution for 20w^2+13w-15= equation:

Simplifying
20w2 + 13w + -15 = 0

Reorder the terms:
-15 + 13w + 20w2 = 0

Solving
-15 + 13w + 20w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(-5 + -4w)(3 + -5w) = 0

Subproblem 1
Set the factor '(-5 + -4w)' equal to zero and attempt to solve:

Simplifying
-5 + -4w = 0

Solving
-5 + -4w = 0

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

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

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

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

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

Simplifying
w = -1.25
Subproblem 2
Set the factor '(3 + -5w)' equal to zero and attempt to solve:

Simplifying
3 + -5w = 0

Solving
3 + -5w = 0

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

Add '-3' to each side of the equation.
3 + -3 + -5w = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -5w = 0 + -3
-5w = 0 + -3

Combine like terms: 0 + -3 = -3
-5w = -3

Divide each side by '-5'.
w = 0.6

Simplifying
w = 0.6
Solution
w = {-1.25, 0.6}