-2s(5st+3t)=

Solution for -2s(5st+3t)= equation:

Simplifying
-2s(5st + 3t) = 0
(5st * -2s + 3t * -2s) = 0

Reorder the terms:
(-6st + -10s2t) = 0
(-6st + -10s2t) = 0

Solving
-6st + -10s2t = 0

Solving for variable 's'.

Factor out the Greatest Common Factor (GCF), '-2st'.
-2st(3 + 5s) = 0

Ignore the factor -2.
Subproblem 1
Set the factor 'st' equal to zero and attempt to solve:

Simplifying
st = 0

Solving
st = 0

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

Simplifying
st = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Subproblem 2
Set the factor '(3 + 5s)' equal to zero and attempt to solve:

Simplifying
3 + 5s = 0

Solving
3 + 5s = 0

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

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

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

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

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

Simplifying
s = -0.6
Solution
s = {-0.6}