(5v+7)(6-v)=0

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Solution for (5v+7)(6-v)=0 equation:


Simplifying
(5v + 7)(6 + -1v) = 0

Reorder the terms:
(7 + 5v)(6 + -1v) = 0

Multiply (7 + 5v) * (6 + -1v)
(7(6 + -1v) + 5v * (6 + -1v)) = 0
((6 * 7 + -1v * 7) + 5v * (6 + -1v)) = 0
((42 + -7v) + 5v * (6 + -1v)) = 0
(42 + -7v + (6 * 5v + -1v * 5v)) = 0
(42 + -7v + (30v + -5v2)) = 0

Combine like terms: -7v + 30v = 23v
(42 + 23v + -5v2) = 0

Solving
42 + 23v + -5v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(6 + -1v)(7 + 5v) = 0

Subproblem 1

Set the factor '(6 + -1v)' equal to zero and attempt to solve: Simplifying 6 + -1v = 0 Solving 6 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1v = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1v = 0 + -6 -1v = 0 + -6 Combine like terms: 0 + -6 = -6 -1v = -6 Divide each side by '-1'. v = 6 Simplifying v = 6

Subproblem 2

Set the factor '(7 + 5v)' equal to zero and attempt to solve: Simplifying 7 + 5v = 0 Solving 7 + 5v = 0 Move all terms containing v to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 5v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 5v = 0 + -7 5v = 0 + -7 Combine like terms: 0 + -7 = -7 5v = -7 Divide each side by '5'. v = -1.4 Simplifying v = -1.4

Solution

v = {6, -1.4}

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