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

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


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

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

Multiply (3 + v) * (-5 + 4v)
(3(-5 + 4v) + v(-5 + 4v)) = 0
((-5 * 3 + 4v * 3) + v(-5 + 4v)) = 0
((-15 + 12v) + v(-5 + 4v)) = 0
(-15 + 12v + (-5 * v + 4v * v)) = 0
(-15 + 12v + (-5v + 4v2)) = 0

Combine like terms: 12v + -5v = 7v
(-15 + 7v + 4v2) = 0

Solving
-15 + 7v + 4v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-3 + -1v)(5 + -4v) = 0

Subproblem 1

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

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 = {-3, 1.25}

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