(5-v)(3v+8)=0

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Solution for (5-v)(3v+8)=0 equation:


Simplifying
(5 + -1v)(3v + 8) = 0

Reorder the terms:
(5 + -1v)(8 + 3v) = 0

Multiply (5 + -1v) * (8 + 3v)
(5(8 + 3v) + -1v * (8 + 3v)) = 0
((8 * 5 + 3v * 5) + -1v * (8 + 3v)) = 0
((40 + 15v) + -1v * (8 + 3v)) = 0
(40 + 15v + (8 * -1v + 3v * -1v)) = 0
(40 + 15v + (-8v + -3v2)) = 0

Combine like terms: 15v + -8v = 7v
(40 + 7v + -3v2) = 0

Solving
40 + 7v + -3v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(5 + -1v)(8 + 3v) = 0

Subproblem 1

Set the factor '(5 + -1v)' equal to zero and attempt to solve: Simplifying 5 + -1v = 0 Solving 5 + -1v = 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 + -1v = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1v = 0 + -5 -1v = 0 + -5 Combine like terms: 0 + -5 = -5 -1v = -5 Divide each side by '-1'. v = 5 Simplifying v = 5

Subproblem 2

Set the factor '(8 + 3v)' equal to zero and attempt to solve: Simplifying 8 + 3v = 0 Solving 8 + 3v = 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 + 3v = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3v = 0 + -8 3v = 0 + -8 Combine like terms: 0 + -8 = -8 3v = -8 Divide each side by '3'. v = -2.666666667 Simplifying v = -2.666666667

Solution

v = {5, -2.666666667}

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