30s^3+85s^2-70s=0

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Solution for 30s^3+85s^2-70s=0 equation:


Simplifying
30s3 + 85s2 + -70s = 0

Reorder the terms:
-70s + 85s2 + 30s3 = 0

Solving
-70s + 85s2 + 30s3 = 0

Solving for variable 's'.

Factor out the Greatest Common Factor (GCF), '5s'.
5s(-14 + 17s + 6s2) = 0

Factor a trinomial.
5s((-7 + -2s)(2 + -3s)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 's' equal to zero and attempt to solve: Simplifying s = 0 Solving s = 0 Move all terms containing s to the left, all other terms to the right. Simplifying s = 0

Subproblem 2

Set the factor '(-7 + -2s)' equal to zero and attempt to solve: Simplifying -7 + -2s = 0 Solving -7 + -2s = 0 Move all terms containing s to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2s = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2s = 0 + 7 -2s = 0 + 7 Combine like terms: 0 + 7 = 7 -2s = 7 Divide each side by '-2'. s = -3.5 Simplifying s = -3.5

Subproblem 3

Set the factor '(2 + -3s)' equal to zero and attempt to solve: Simplifying 2 + -3s = 0 Solving 2 + -3s = 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 + -3s = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3s = 0 + -2 -3s = 0 + -2 Combine like terms: 0 + -2 = -2 -3s = -2 Divide each side by '-3'. s = 0.6666666667 Simplifying s = 0.6666666667

Solution

s = {0, -3.5, 0.6666666667}

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