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Simplifying (3v + 1)(7 + v) = 0 Reorder the terms: (1 + 3v)(7 + v) = 0 Multiply (1 + 3v) * (7 + v) (1(7 + v) + 3v * (7 + v)) = 0 ((7 * 1 + v * 1) + 3v * (7 + v)) = 0 ((7 + 1v) + 3v * (7 + v)) = 0 (7 + 1v + (7 * 3v + v * 3v)) = 0 (7 + 1v + (21v + 3v2)) = 0 Combine like terms: 1v + 21v = 22v (7 + 22v + 3v2) = 0 Solving 7 + 22v + 3v2 = 0 Solving for variable 'v'. Factor a trinomial. (7 + v)(1 + 3v) = 0Subproblem 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 = -7Subproblem 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 = -0.3333333333Solution
v = {-7, -0.3333333333}
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