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Simplifying (v + -7)(v + 2) = 0 Reorder the terms: (-7 + v)(v + 2) = 0 Reorder the terms: (-7 + v)(2 + v) = 0 Multiply (-7 + v) * (2 + v) (-7(2 + v) + v(2 + v)) = 0 ((2 * -7 + v * -7) + v(2 + v)) = 0 ((-14 + -7v) + v(2 + v)) = 0 (-14 + -7v + (2 * v + v * v)) = 0 (-14 + -7v + (2v + v2)) = 0 Combine like terms: -7v + 2v = -5v (-14 + -5v + v2) = 0 Solving -14 + -5v + v2 = 0 Solving for variable 'v'. Factor a trinomial. (-2 + -1v)(7 + -1v) = 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 '(7 + -1v)' equal to zero and attempt to solve: Simplifying 7 + -1v = 0 Solving 7 + -1v = 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 + -1v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1v = 0 + -7 -1v = 0 + -7 Combine like terms: 0 + -7 = -7 -1v = -7 Divide each side by '-1'. v = 7 Simplifying v = 7Solution
v = {-2, 7}
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