4v^2-5=-8v

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Solution for 4v^2-5=-8v equation:


Simplifying
4v2 + -5 = -8v

Reorder the terms:
-5 + 4v2 = -8v

Solving
-5 + 4v2 = -8v

Solving for variable 'v'.

Reorder the terms:
-5 + 8v + 4v2 = -8v + 8v

Combine like terms: -8v + 8v = 0
-5 + 8v + 4v2 = 0

Factor a trinomial.
(-5 + -2v)(1 + -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 '(1 + -2v)' equal to zero and attempt to solve: Simplifying 1 + -2v = 0 Solving 1 + -2v = 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 + -2v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2v = 0 + -1 -2v = 0 + -1 Combine like terms: 0 + -1 = -1 -2v = -1 Divide each side by '-2'. v = 0.5 Simplifying v = 0.5

Solution

v = {-2.5, 0.5}

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