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

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


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

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

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

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

Combine like terms: 15v + -4v = 11v
(-12 + 11v + 5v2) = 0

Solving
-12 + 11v + 5v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-3 + -1v)(4 + -5v) = 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 '(4 + -5v)' equal to zero and attempt to solve: Simplifying 4 + -5v = 0 Solving 4 + -5v = 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 + -5v = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5v = 0 + -4 -5v = 0 + -4 Combine like terms: 0 + -4 = -4 -5v = -4 Divide each side by '-5'. v = 0.8 Simplifying v = 0.8

Solution

v = {-3, 0.8}

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