5w^3=40w^2-80w

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Solution for 5w^3=40w^2-80w equation:


Simplifying
5w3 = 40w2 + -80w

Reorder the terms:
5w3 = -80w + 40w2

Solving
5w3 = -80w + 40w2

Solving for variable 'w'.

Reorder the terms:
80w + -40w2 + 5w3 = -80w + 40w2 + 80w + -40w2

Reorder the terms:
80w + -40w2 + 5w3 = -80w + 80w + 40w2 + -40w2

Combine like terms: -80w + 80w = 0
80w + -40w2 + 5w3 = 0 + 40w2 + -40w2
80w + -40w2 + 5w3 = 40w2 + -40w2

Combine like terms: 40w2 + -40w2 = 0
80w + -40w2 + 5w3 = 0

Factor out the Greatest Common Factor (GCF), '5w'.
5w(16 + -8w + w2) = 0

Factor a trinomial.
5w((4 + -1w)(4 + -1w)) = 0

Ignore the factor 5.

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 '(4 + -1w)' equal to zero and attempt to solve: Simplifying 4 + -1w = 0 Solving 4 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1w = 0 + -4 -1w = 0 + -4 Combine like terms: 0 + -4 = -4 -1w = -4 Divide each side by '-1'. w = 4 Simplifying w = 4

Subproblem 3

Set the factor '(4 + -1w)' equal to zero and attempt to solve: Simplifying 4 + -1w = 0 Solving 4 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1w = 0 + -4 -1w = 0 + -4 Combine like terms: 0 + -4 = -4 -1w = -4 Divide each side by '-1'. w = 4 Simplifying w = 4

Solution

w = {0, 4, 4}

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