3w^3-15w^2=72w

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Solution for 3w^3-15w^2=72w equation:


Simplifying
3w3 + -15w2 = 72w

Reorder the terms:
-15w2 + 3w3 = 72w

Solving
-15w2 + 3w3 = 72w

Solving for variable 'w'.

Reorder the terms:
-72w + -15w2 + 3w3 = 72w + -72w

Combine like terms: 72w + -72w = 0
-72w + -15w2 + 3w3 = 0

Factor out the Greatest Common Factor (GCF), '3w'.
3w(-24 + -5w + w2) = 0

Factor a trinomial.
3w((-3 + -1w)(8 + -1w)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(-3 + -1w)' equal to zero and attempt to solve: Simplifying -3 + -1w = 0 Solving -3 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1w = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1w = 0 + 3 -1w = 0 + 3 Combine like terms: 0 + 3 = 3 -1w = 3 Divide each side by '-1'. w = -3 Simplifying w = -3

Subproblem 3

Set the factor '(8 + -1w)' equal to zero and attempt to solve: Simplifying 8 + -1w = 0 Solving 8 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1w = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1w = 0 + -8 -1w = 0 + -8 Combine like terms: 0 + -8 = -8 -1w = -8 Divide each side by '-1'. w = 8 Simplifying w = 8

Solution

w = {0, -3, 8}

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