(4v+5)(8+v)=0

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Solution for (4v+5)(8+v)=0 equation:


Simplifying
(4v + 5)(8 + v) = 0

Reorder the terms:
(5 + 4v)(8 + v) = 0

Multiply (5 + 4v) * (8 + v)
(5(8 + v) + 4v * (8 + v)) = 0
((8 * 5 + v * 5) + 4v * (8 + v)) = 0
((40 + 5v) + 4v * (8 + v)) = 0
(40 + 5v + (8 * 4v + v * 4v)) = 0
(40 + 5v + (32v + 4v2)) = 0

Combine like terms: 5v + 32v = 37v
(40 + 37v + 4v2) = 0

Solving
40 + 37v + 4v2 = 0

Solving for variable 'v'.

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

Subproblem 1

Set the factor '(8 + v)' equal to zero and attempt to solve: Simplifying 8 + v = 0 Solving 8 + v = 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 + v = 0 + -8 Combine like terms: 8 + -8 = 0 0 + v = 0 + -8 v = 0 + -8 Combine like terms: 0 + -8 = -8 v = -8 Simplifying v = -8

Subproblem 2

Set the factor '(5 + 4v)' equal to zero and attempt to solve: Simplifying 5 + 4v = 0 Solving 5 + 4v = 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 + 4v = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4v = 0 + -5 4v = 0 + -5 Combine like terms: 0 + -5 = -5 4v = -5 Divide each side by '4'. v = -1.25 Simplifying v = -1.25

Solution

v = {-8, -1.25}

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