(7+v)(3v+1)=0

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Solution for (7+v)(3v+1)=0 equation:


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

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

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

Combine like terms: 21v + 1v = 22v
(7 + 22v + 3v2) = 0

Solving
7 + 22v + 3v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(7 + v)(1 + 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 '(1 + 3v)' equal to zero and attempt to solve: Simplifying 1 + 3v = 0 Solving 1 + 3v = 0 Move all terms containing v to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3v = 0 + -1 3v = 0 + -1 Combine like terms: 0 + -1 = -1 3v = -1 Divide each side by '3'. v = -0.3333333333 Simplifying v = -0.3333333333

Solution

v = {-7, -0.3333333333}

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