4v^2+25=-20v

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Solution for 4v^2+25=-20v equation:


Simplifying
4v2 + 25 = -20v

Reorder the terms:
25 + 4v2 = -20v

Solving
25 + 4v2 = -20v

Solving for variable 'v'.

Reorder the terms:
25 + 20v + 4v2 = -20v + 20v

Combine like terms: -20v + 20v = 0
25 + 20v + 4v2 = 0

Factor a trinomial.
(5 + 2v)(5 + 2v) = 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 '(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

Solution

v = {-2.5, -2.5}

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