7s^3=28s

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Solution for 7s^3=28s equation:


Simplifying
7s3 = 28s

Solving
7s3 = 28s

Solving for variable 's'.

Reorder the terms:
-28s + 7s3 = 28s + -28s

Combine like terms: 28s + -28s = 0
-28s + 7s3 = 0

Factor out the Greatest Common Factor (GCF), '7s'.
7s(-4 + s2) = 0

Factor a difference between two squares.
7s((2 + s)(-2 + s)) = 0

Ignore the factor 7.

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 '(2 + s)' equal to zero and attempt to solve: Simplifying 2 + s = 0 Solving 2 + s = 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 + s = 0 + -2 Combine like terms: 2 + -2 = 0 0 + s = 0 + -2 s = 0 + -2 Combine like terms: 0 + -2 = -2 s = -2 Simplifying s = -2

Subproblem 3

Set the factor '(-2 + s)' equal to zero and attempt to solve: Simplifying -2 + s = 0 Solving -2 + s = 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 + s = 0 + 2 Combine like terms: -2 + 2 = 0 0 + s = 0 + 2 s = 0 + 2 Combine like terms: 0 + 2 = 2 s = 2 Simplifying s = 2

Solution

s = {0, -2, 2}

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