5v^2-4=-v

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Solution for 5v^2-4=-v equation:


Simplifying
5v2 + -4 = -1v

Reorder the terms:
-4 + 5v2 = -1v

Solving
-4 + 5v2 = -1v

Solving for variable 'v'.

Reorder the terms:
-4 + v + 5v2 = -1v + v

Combine like terms: -1v + v = 0
-4 + v + 5v2 = 0

Factor a trinomial.
(-1 + -1v)(4 + -5v) = 0

Subproblem 1

Set the factor '(-1 + -1v)' equal to zero and attempt to solve: Simplifying -1 + -1v = 0 Solving -1 + -1v = 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 + -1v = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1v = 0 + 1 -1v = 0 + 1 Combine like terms: 0 + 1 = 1 -1v = 1 Divide each side by '-1'. v = -1 Simplifying v = -1

Subproblem 2

Set the factor '(4 + -5v)' equal to zero and attempt to solve: Simplifying 4 + -5v = 0 Solving 4 + -5v = 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 + -5v = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5v = 0 + -4 -5v = 0 + -4 Combine like terms: 0 + -4 = -4 -5v = -4 Divide each side by '-5'. v = 0.8 Simplifying v = 0.8

Solution

v = {-1, 0.8}

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