7v^7+28v^6+28v^5=0

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Solution for 7v^7+28v^6+28v^5=0 equation:


Simplifying
7v7 + 28v6 + 28v5 = 0

Reorder the terms:
28v5 + 28v6 + 7v7 = 0

Solving
28v5 + 28v6 + 7v7 = 0

Solving for variable 'v'.

Factor out the Greatest Common Factor (GCF), '7v5'.
7v5(4 + 4v + v2) = 0

Factor a trinomial.
7v5((2 + v)(2 + v)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor 'v5' equal to zero and attempt to solve: Simplifying v5 = 0 Solving v5 = 0 Move all terms containing v to the left, all other terms to the right. Simplifying v5 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(2 + v)' equal to zero and attempt to solve: Simplifying 2 + v = 0 Solving 2 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + v = 0 + -2 Combine like terms: 2 + -2 = 0 0 + v = 0 + -2 v = 0 + -2 Combine like terms: 0 + -2 = -2 v = -2 Simplifying v = -2

Subproblem 3

Set the factor '(2 + v)' equal to zero and attempt to solve: Simplifying 2 + v = 0 Solving 2 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + v = 0 + -2 Combine like terms: 2 + -2 = 0 0 + v = 0 + -2 v = 0 + -2 Combine like terms: 0 + -2 = -2 v = -2 Simplifying v = -2

Solution

v = {-2, -2}

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