(7-v)(3v-4)=0

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Solution for (7-v)(3v-4)=0 equation:


Simplifying
(7 + -1v)(3v + -4) = 0

Reorder the terms:
(7 + -1v)(-4 + 3v) = 0

Multiply (7 + -1v) * (-4 + 3v)
(7(-4 + 3v) + -1v * (-4 + 3v)) = 0
((-4 * 7 + 3v * 7) + -1v * (-4 + 3v)) = 0
((-28 + 21v) + -1v * (-4 + 3v)) = 0
(-28 + 21v + (-4 * -1v + 3v * -1v)) = 0
(-28 + 21v + (4v + -3v2)) = 0

Combine like terms: 21v + 4v = 25v
(-28 + 25v + -3v2) = 0

Solving
-28 + 25v + -3v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-7 + v)(4 + -3v) = 0

Subproblem 1

Set the factor '(-7 + v)' equal to zero and attempt to solve: Simplifying -7 + v = 0 Solving -7 + v = 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 + v = 0 + 7 Combine like terms: -7 + 7 = 0 0 + v = 0 + 7 v = 0 + 7 Combine like terms: 0 + 7 = 7 v = 7 Simplifying v = 7

Subproblem 2

Set the factor '(4 + -3v)' equal to zero and attempt to solve: Simplifying 4 + -3v = 0 Solving 4 + -3v = 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 + -3v = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3v = 0 + -4 -3v = 0 + -4 Combine like terms: 0 + -4 = -4 -3v = -4 Divide each side by '-3'. v = 1.333333333 Simplifying v = 1.333333333

Solution

v = {7, 1.333333333}

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