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Simplifying (4 + -1v)(5v + -9) = 0 Reorder the terms: (4 + -1v)(-9 + 5v) = 0 Multiply (4 + -1v) * (-9 + 5v) (4(-9 + 5v) + -1v * (-9 + 5v)) = 0 ((-9 * 4 + 5v * 4) + -1v * (-9 + 5v)) = 0 ((-36 + 20v) + -1v * (-9 + 5v)) = 0 (-36 + 20v + (-9 * -1v + 5v * -1v)) = 0 (-36 + 20v + (9v + -5v2)) = 0 Combine like terms: 20v + 9v = 29v (-36 + 29v + -5v2) = 0 Solving -36 + 29v + -5v2 = 0 Solving for variable 'v'. Factor a trinomial. (-4 + v)(9 + -5v) = 0Subproblem 1
Set the factor '(-4 + v)' equal to zero and attempt to solve: Simplifying -4 + v = 0 Solving -4 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + v = 0 + 4 Combine like terms: -4 + 4 = 0 0 + v = 0 + 4 v = 0 + 4 Combine like terms: 0 + 4 = 4 v = 4 Simplifying v = 4Subproblem 2
Set the factor '(9 + -5v)' equal to zero and attempt to solve: Simplifying 9 + -5v = 0 Solving 9 + -5v = 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 + -5v = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5v = 0 + -9 -5v = 0 + -9 Combine like terms: 0 + -9 = -9 -5v = -9 Divide each side by '-5'. v = 1.8 Simplifying v = 1.8Solution
v = {4, 1.8}
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