2s^2+s-10=0

Solution for 2s^2+s-10=0 equation:

Simplifying
2s2 + s + -10 = 0

Reorder the terms:
-10 + s + 2s2 = 0

Solving
-10 + s + 2s2 = 0

Solving for variable 's'.

Factor a trinomial.
(-5 + -2s)(2 + -1s) = 0

Subproblem 1
Set the factor '(-5 + -2s)' equal to zero and attempt to solve:

Simplifying
-5 + -2s = 0

Solving
-5 + -2s = 0

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

Add '5' to each side of the equation.
-5 + 5 + -2s = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2s = 0 + 5
-2s = 0 + 5

Combine like terms: 0 + 5 = 5
-2s = 5

Divide each side by '-2'.
s = -2.5

Simplifying
s = -2.5
Subproblem 2
Set the factor '(2 + -1s)' equal to zero and attempt to solve:

Simplifying
2 + -1s = 0

Solving
2 + -1s = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1s = 0 + -2

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

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

Divide each side by '-1'.
s = 2

Simplifying
s = 2
Solution
s = {-2.5, 2}