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Simplifying 0 = -5v2 + -8v + 4 Reorder the terms: 0 = 4 + -8v + -5v2 Solving 0 = 4 + -8v + -5v2 Solving for variable 'v'. Combine like terms: 0 + -4 = -4 -4 + 8v + 5v2 = 4 + -8v + -5v2 + -4 + 8v + 5v2 Reorder the terms: -4 + 8v + 5v2 = 4 + -4 + -8v + 8v + -5v2 + 5v2 Combine like terms: 4 + -4 = 0 -4 + 8v + 5v2 = 0 + -8v + 8v + -5v2 + 5v2 -4 + 8v + 5v2 = -8v + 8v + -5v2 + 5v2 Combine like terms: -8v + 8v = 0 -4 + 8v + 5v2 = 0 + -5v2 + 5v2 -4 + 8v + 5v2 = -5v2 + 5v2 Combine like terms: -5v2 + 5v2 = 0 -4 + 8v + 5v2 = 0 Factor a trinomial. (-2 + -1v)(2 + -5v) = 0Subproblem 1
Set the factor '(-2 + -1v)' equal to zero and attempt to solve: Simplifying -2 + -1v = 0 Solving -2 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1v = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1v = 0 + 2 -1v = 0 + 2 Combine like terms: 0 + 2 = 2 -1v = 2 Divide each side by '-1'. v = -2 Simplifying v = -2Subproblem 2
Set the factor '(2 + -5v)' equal to zero and attempt to solve: Simplifying 2 + -5v = 0 Solving 2 + -5v = 0 Move all terms containing v to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -5v = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5v = 0 + -2 -5v = 0 + -2 Combine like terms: 0 + -2 = -2 -5v = -2 Divide each side by '-5'. v = 0.4 Simplifying v = 0.4Solution
v = {-2, 0.4}
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