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

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


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

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

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

Combine like terms: -5v + 12v = 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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