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Simplifying 7v2 + -42v + -117 = -5 Reorder the terms: -117 + -42v + 7v2 = -5 Solving -117 + -42v + 7v2 = -5 Solving for variable 'v'. Reorder the terms: -117 + 5 + -42v + 7v2 = -5 + 5 Combine like terms: -117 + 5 = -112 -112 + -42v + 7v2 = -5 + 5 Combine like terms: -5 + 5 = 0 -112 + -42v + 7v2 = 0 Factor out the Greatest Common Factor (GCF), '7'. 7(-16 + -6v + v2) = 0 Factor a trinomial. 7((-2 + -1v)(8 + -1v)) = 0 Ignore the factor 7.Subproblem 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 '(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 = 8Solution
v = {-2, 8}
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