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Simplifying (5v + -8)(7 + -1v) = 0 Reorder the terms: (-8 + 5v)(7 + -1v) = 0 Multiply (-8 + 5v) * (7 + -1v) (-8(7 + -1v) + 5v * (7 + -1v)) = 0 ((7 * -8 + -1v * -8) + 5v * (7 + -1v)) = 0 ((-56 + 8v) + 5v * (7 + -1v)) = 0 (-56 + 8v + (7 * 5v + -1v * 5v)) = 0 (-56 + 8v + (35v + -5v2)) = 0 Combine like terms: 8v + 35v = 43v (-56 + 43v + -5v2) = 0 Solving -56 + 43v + -5v2 = 0 Solving for variable 'v'. Factor a trinomial. (-7 + v)(8 + -5v) = 0Subproblem 1
Set the factor '(-7 + v)' equal to zero and attempt to solve: Simplifying -7 + v = 0 Solving -7 + v = 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 + v = 0 + 7 Combine like terms: -7 + 7 = 0 0 + v = 0 + 7 v = 0 + 7 Combine like terms: 0 + 7 = 7 v = 7 Simplifying v = 7Subproblem 2
Set the factor '(8 + -5v)' equal to zero and attempt to solve: Simplifying 8 + -5v = 0 Solving 8 + -5v = 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 + -5v = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -5v = 0 + -8 -5v = 0 + -8 Combine like terms: 0 + -8 = -8 -5v = -8 Divide each side by '-5'. v = 1.6 Simplifying v = 1.6Solution
v = {7, 1.6}
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