(-2v+7)(5-3v)=

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Solution for (-2v+7)(5-3v)= equation:


Simplifying
(-2v + 7)(5 + -3v) = 0

Reorder the terms:
(7 + -2v)(5 + -3v) = 0

Multiply (7 + -2v) * (5 + -3v)
(7(5 + -3v) + -2v * (5 + -3v)) = 0
((5 * 7 + -3v * 7) + -2v * (5 + -3v)) = 0
((35 + -21v) + -2v * (5 + -3v)) = 0
(35 + -21v + (5 * -2v + -3v * -2v)) = 0
(35 + -21v + (-10v + 6v2)) = 0

Combine like terms: -21v + -10v = -31v
(35 + -31v + 6v2) = 0

Solving
35 + -31v + 6v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(5 + -3v)(7 + -2v) = 0

Subproblem 1

Set the factor '(5 + -3v)' equal to zero and attempt to solve: Simplifying 5 + -3v = 0 Solving 5 + -3v = 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 + -3v = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3v = 0 + -5 -3v = 0 + -5 Combine like terms: 0 + -5 = -5 -3v = -5 Divide each side by '-3'. v = 1.666666667 Simplifying v = 1.666666667

Subproblem 2

Set the factor '(7 + -2v)' equal to zero and attempt to solve: Simplifying 7 + -2v = 0 Solving 7 + -2v = 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 + -2v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2v = 0 + -7 -2v = 0 + -7 Combine like terms: 0 + -7 = -7 -2v = -7 Divide each side by '-2'. v = 3.5 Simplifying v = 3.5

Solution

v = {1.666666667, 3.5}

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