-3v^3-7v^2=4v

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Solution for -3v^3-7v^2=4v equation:


Simplifying
-3v3 + -7v2 = 4v

Reorder the terms:
-7v2 + -3v3 = 4v

Solving
-7v2 + -3v3 = 4v

Solving for variable 'v'.

Reorder the terms:
-4v + -7v2 + -3v3 = 4v + -4v

Combine like terms: 4v + -4v = 0
-4v + -7v2 + -3v3 = 0

Factor out the Greatest Common Factor (GCF), '-1v'.
-1v(4 + 7v + 3v2) = 0

Factor a trinomial.
-1v((4 + 3v)(1 + v)) = 0

Ignore the factor -1.

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 '(4 + 3v)' equal to zero and attempt to solve: Simplifying 4 + 3v = 0 Solving 4 + 3v = 0 Move all terms containing v to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3v = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3v = 0 + -4 3v = 0 + -4 Combine like terms: 0 + -4 = -4 3v = -4 Divide each side by '3'. v = -1.333333333 Simplifying v = -1.333333333

Subproblem 3

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

Solution

v = {0, -1.333333333, -1}

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