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Simplifying (4v + 9)(8 + -1v) = 0 Reorder the terms: (9 + 4v)(8 + -1v) = 0 Multiply (9 + 4v) * (8 + -1v) (9(8 + -1v) + 4v * (8 + -1v)) = 0 ((8 * 9 + -1v * 9) + 4v * (8 + -1v)) = 0 ((72 + -9v) + 4v * (8 + -1v)) = 0 (72 + -9v + (8 * 4v + -1v * 4v)) = 0 (72 + -9v + (32v + -4v2)) = 0 Combine like terms: -9v + 32v = 23v (72 + 23v + -4v2) = 0 Solving 72 + 23v + -4v2 = 0 Solving for variable 'v'. Factor a trinomial. (8 + -1v)(9 + 4v) = 0Subproblem 1
Set the factor '(8 + -1v)' equal to zero and attempt to solve: Simplifying 8 + -1v = 0 Solving 8 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1v = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1v = 0 + -8 -1v = 0 + -8 Combine like terms: 0 + -8 = -8 -1v = -8 Divide each side by '-1'. v = 8 Simplifying v = 8Subproblem 2
Set the factor '(9 + 4v)' equal to zero and attempt to solve: Simplifying 9 + 4v = 0 Solving 9 + 4v = 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 + 4v = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4v = 0 + -9 4v = 0 + -9 Combine like terms: 0 + -9 = -9 4v = -9 Divide each side by '4'. v = -2.25 Simplifying v = -2.25Solution
v = {8, -2.25}
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