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Simplifying (7 + v)(4v + 2) = 0 Reorder the terms: (7 + v)(2 + 4v) = 0 Multiply (7 + v) * (2 + 4v) (7(2 + 4v) + v(2 + 4v)) = 0 ((2 * 7 + 4v * 7) + v(2 + 4v)) = 0 ((14 + 28v) + v(2 + 4v)) = 0 (14 + 28v + (2 * v + 4v * v)) = 0 (14 + 28v + (2v + 4v2)) = 0 Combine like terms: 28v + 2v = 30v (14 + 30v + 4v2) = 0 Solving 14 + 30v + 4v2 = 0 Solving for variable 'v'. Factor out the Greatest Common Factor (GCF), '2'. 2(7 + 15v + 2v2) = 0 Factor a trinomial. 2((7 + v)(1 + 2v)) = 0 Ignore the factor 2.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 = -7Subproblem 2
Set the factor '(1 + 2v)' equal to zero and attempt to solve: Simplifying 1 + 2v = 0 Solving 1 + 2v = 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 + 2v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2v = 0 + -1 2v = 0 + -1 Combine like terms: 0 + -1 = -1 2v = -1 Divide each side by '2'. v = -0.5 Simplifying v = -0.5Solution
v = {-7, -0.5}
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