5v^2-8v=8-5v

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


Simplifying
5v2 + -8v = 8 + -5v

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

Solving
-8v + 5v2 = 8 + -5v

Solving for variable 'v'.

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

Combine like terms: -8v + 5v = -3v
-8 + -3v + 5v2 = 8 + -5v + -8 + 5v

Reorder the terms:
-8 + -3v + 5v2 = 8 + -8 + -5v + 5v

Combine like terms: 8 + -8 = 0
-8 + -3v + 5v2 = 0 + -5v + 5v
-8 + -3v + 5v2 = -5v + 5v

Combine like terms: -5v + 5v = 0
-8 + -3v + 5v2 = 0

Factor a trinomial.
(-1 + -1v)(8 + -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 '(8 + -5v)' equal to zero and attempt to solve: Simplifying 8 + -5v = 0 Solving 8 + -5v = 0 Move all terms containing v to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -5v = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -5v = 0 + -8 -5v = 0 + -8 Combine like terms: 0 + -8 = -8 -5v = -8 Divide each side by '-5'. v = 1.6 Simplifying v = 1.6

Solution

v = {-1, 1.6}

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