2v^3-6v^2=80v

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Solution for 2v^3-6v^2=80v equation:


Simplifying
2v3 + -6v2 = 80v

Reorder the terms:
-6v2 + 2v3 = 80v

Solving
-6v2 + 2v3 = 80v

Solving for variable 'v'.

Reorder the terms:
-80v + -6v2 + 2v3 = 80v + -80v

Combine like terms: 80v + -80v = 0
-80v + -6v2 + 2v3 = 0

Factor out the Greatest Common Factor (GCF), '2v'.
2v(-40 + -3v + v2) = 0

Factor a trinomial.
2v((-5 + -1v)(8 + -1v)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Subproblem 3

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

Solution

v = {0, -5, 8}

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