2v^2=-7v-5

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Solution for 2v^2=-7v-5 equation:


Simplifying
2v2 = -7v + -5

Reorder the terms:
2v2 = -5 + -7v

Solving
2v2 = -5 + -7v

Solving for variable 'v'.

Reorder the terms:
5 + 7v + 2v2 = -5 + -7v + 5 + 7v

Reorder the terms:
5 + 7v + 2v2 = -5 + 5 + -7v + 7v

Combine like terms: -5 + 5 = 0
5 + 7v + 2v2 = 0 + -7v + 7v
5 + 7v + 2v2 = -7v + 7v

Combine like terms: -7v + 7v = 0
5 + 7v + 2v2 = 0

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

Subproblem 1

Set the factor '(5 + 2v)' equal to zero and attempt to solve: Simplifying 5 + 2v = 0 Solving 5 + 2v = 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 + 2v = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2v = 0 + -5 2v = 0 + -5 Combine like terms: 0 + -5 = -5 2v = -5 Divide each side by '2'. v = -2.5 Simplifying v = -2.5

Subproblem 2

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 = {-2.5, -1}

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