(3v+4)(5-v)=0

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Solution for (3v+4)(5-v)=0 equation:


Simplifying
(3v + 4)(5 + -1v) = 0

Reorder the terms:
(4 + 3v)(5 + -1v) = 0

Multiply (4 + 3v) * (5 + -1v)
(4(5 + -1v) + 3v * (5 + -1v)) = 0
((5 * 4 + -1v * 4) + 3v * (5 + -1v)) = 0
((20 + -4v) + 3v * (5 + -1v)) = 0
(20 + -4v + (5 * 3v + -1v * 3v)) = 0
(20 + -4v + (15v + -3v2)) = 0

Combine like terms: -4v + 15v = 11v
(20 + 11v + -3v2) = 0

Solving
20 + 11v + -3v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(5 + -1v)(4 + 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 '(4 + 3v)' equal to zero and attempt to solve: Simplifying 4 + 3v = 0 Solving 4 + 3v = 0 Move all terms containing v to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3v = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3v = 0 + -4 3v = 0 + -4 Combine like terms: 0 + -4 = -4 3v = -4 Divide each side by '3'. v = -1.333333333 Simplifying v = -1.333333333

Solution

v = {5, -1.333333333}

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