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Simplifying (9 + -1v)(2v + 1) = 0 Reorder the terms: (9 + -1v)(1 + 2v) = 0 Multiply (9 + -1v) * (1 + 2v) (9(1 + 2v) + -1v * (1 + 2v)) = 0 ((1 * 9 + 2v * 9) + -1v * (1 + 2v)) = 0 ((9 + 18v) + -1v * (1 + 2v)) = 0 (9 + 18v + (1 * -1v + 2v * -1v)) = 0 (9 + 18v + (-1v + -2v2)) = 0 Combine like terms: 18v + -1v = 17v (9 + 17v + -2v2) = 0 Solving 9 + 17v + -2v2 = 0 Solving for variable 'v'. Factor a trinomial. (9 + -1v)(1 + 2v) = 0Subproblem 1
Set the factor '(9 + -1v)' equal to zero and attempt to solve: Simplifying 9 + -1v = 0 Solving 9 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1v = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1v = 0 + -9 -1v = 0 + -9 Combine like terms: 0 + -9 = -9 -1v = -9 Divide each side by '-1'. v = 9 Simplifying v = 9Subproblem 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 = {9, -0.5}
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