18s^2+24s-90=0

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Solution for 18s^2+24s-90=0 equation:


Simplifying
18s2 + 24s + -90 = 0

Reorder the terms:
-90 + 24s + 18s2 = 0

Solving
-90 + 24s + 18s2 = 0

Solving for variable 's'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-15 + 4s + 3s2) = 0

Factor a trinomial.
6((-3 + -1s)(5 + -3s)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(-3 + -1s)' equal to zero and attempt to solve: Simplifying -3 + -1s = 0 Solving -3 + -1s = 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 + -1s = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1s = 0 + 3 -1s = 0 + 3 Combine like terms: 0 + 3 = 3 -1s = 3 Divide each side by '-1'. s = -3 Simplifying s = -3

Subproblem 2

Set the factor '(5 + -3s)' equal to zero and attempt to solve: Simplifying 5 + -3s = 0 Solving 5 + -3s = 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 + -3s = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3s = 0 + -5 -3s = 0 + -5 Combine like terms: 0 + -5 = -5 -3s = -5 Divide each side by '-3'. s = 1.666666667 Simplifying s = 1.666666667

Solution

s = {-3, 1.666666667}

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