2w^3-7w^2=15w

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Solution for 2w^3-7w^2=15w equation:


Simplifying
2w3 + -7w2 = 15w

Reorder the terms:
-7w2 + 2w3 = 15w

Solving
-7w2 + 2w3 = 15w

Solving for variable 'w'.

Reorder the terms:
-15w + -7w2 + 2w3 = 15w + -15w

Combine like terms: 15w + -15w = 0
-15w + -7w2 + 2w3 = 0

Factor out the Greatest Common Factor (GCF), 'w'.
w(-15 + -7w + 2w2) = 0

Factor a trinomial.
w((-3 + -2w)(5 + -1w)) = 0

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 + -2w)' equal to zero and attempt to solve: Simplifying -3 + -2w = 0 Solving -3 + -2w = 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 + -2w = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2w = 0 + 3 -2w = 0 + 3 Combine like terms: 0 + 3 = 3 -2w = 3 Divide each side by '-2'. w = -1.5 Simplifying w = -1.5

Subproblem 3

Set the factor '(5 + -1w)' equal to zero and attempt to solve: Simplifying 5 + -1w = 0 Solving 5 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1w = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1w = 0 + -5 -1w = 0 + -5 Combine like terms: 0 + -5 = -5 -1w = -5 Divide each side by '-1'. w = 5 Simplifying w = 5

Solution

w = {0, -1.5, 5}

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