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Simplifying (5v + 7)(2 + -1v) = 0 Reorder the terms: (7 + 5v)(2 + -1v) = 0 Multiply (7 + 5v) * (2 + -1v) (7(2 + -1v) + 5v * (2 + -1v)) = 0 ((2 * 7 + -1v * 7) + 5v * (2 + -1v)) = 0 ((14 + -7v) + 5v * (2 + -1v)) = 0 (14 + -7v + (2 * 5v + -1v * 5v)) = 0 (14 + -7v + (10v + -5v2)) = 0 Combine like terms: -7v + 10v = 3v (14 + 3v + -5v2) = 0 Solving 14 + 3v + -5v2 = 0 Solving for variable 'v'. Factor a trinomial. (2 + -1v)(7 + 5v) = 0Subproblem 1
Set the factor '(2 + -1v)' equal to zero and attempt to solve: Simplifying 2 + -1v = 0 Solving 2 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1v = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1v = 0 + -2 -1v = 0 + -2 Combine like terms: 0 + -2 = -2 -1v = -2 Divide each side by '-1'. v = 2 Simplifying v = 2Subproblem 2
Set the factor '(7 + 5v)' equal to zero and attempt to solve: Simplifying 7 + 5v = 0 Solving 7 + 5v = 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 + 5v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 5v = 0 + -7 5v = 0 + -7 Combine like terms: 0 + -7 = -7 5v = -7 Divide each side by '5'. v = -1.4 Simplifying v = -1.4Solution
v = {2, -1.4}
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