2v^3-4v^2=70v

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Solution for 2v^3-4v^2=70v equation:


Simplifying
2v3 + -4v2 = 70v

Reorder the terms:
-4v2 + 2v3 = 70v

Solving
-4v2 + 2v3 = 70v

Solving for variable 'v'.

Reorder the terms:
-70v + -4v2 + 2v3 = 70v + -70v

Combine like terms: 70v + -70v = 0
-70v + -4v2 + 2v3 = 0

Factor out the Greatest Common Factor (GCF), '2v'.
2v(-35 + -2v + v2) = 0

Factor a trinomial.
2v((-5 + -1v)(7 + -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 '(7 + -1v)' equal to zero and attempt to solve: Simplifying 7 + -1v = 0 Solving 7 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1v = 0 + -7 -1v = 0 + -7 Combine like terms: 0 + -7 = -7 -1v = -7 Divide each side by '-1'. v = 7 Simplifying v = 7

Solution

v = {0, -5, 7}

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