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Simplifying (2v + 7)(1 + -1v) = 0 Reorder the terms: (7 + 2v)(1 + -1v) = 0 Multiply (7 + 2v) * (1 + -1v) (7(1 + -1v) + 2v * (1 + -1v)) = 0 ((1 * 7 + -1v * 7) + 2v * (1 + -1v)) = 0 ((7 + -7v) + 2v * (1 + -1v)) = 0 (7 + -7v + (1 * 2v + -1v * 2v)) = 0 (7 + -7v + (2v + -2v2)) = 0 Combine like terms: -7v + 2v = -5v (7 + -5v + -2v2) = 0 Solving 7 + -5v + -2v2 = 0 Solving for variable 'v'. Factor a trinomial. (1 + -1v)(7 + 2v) = 0Subproblem 1
Set the factor '(1 + -1v)' equal to zero and attempt to solve: Simplifying 1 + -1v = 0 Solving 1 + -1v = 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 + -1v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1v = 0 + -1 -1v = 0 + -1 Combine like terms: 0 + -1 = -1 -1v = -1 Divide each side by '-1'. v = 1 Simplifying v = 1Subproblem 2
Set the factor '(7 + 2v)' equal to zero and attempt to solve: Simplifying 7 + 2v = 0 Solving 7 + 2v = 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 + 2v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 2v = 0 + -7 2v = 0 + -7 Combine like terms: 0 + -7 = -7 2v = -7 Divide each side by '2'. v = -3.5 Simplifying v = -3.5Solution
v = {1, -3.5}
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