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Simplifying (2v + -7)(3 + v) = 0 Reorder the terms: (-7 + 2v)(3 + v) = 0 Multiply (-7 + 2v) * (3 + v) (-7(3 + v) + 2v * (3 + v)) = 0 ((3 * -7 + v * -7) + 2v * (3 + v)) = 0 ((-21 + -7v) + 2v * (3 + v)) = 0 (-21 + -7v + (3 * 2v + v * 2v)) = 0 (-21 + -7v + (6v + 2v2)) = 0 Combine like terms: -7v + 6v = -1v (-21 + -1v + 2v2) = 0 Solving -21 + -1v + 2v2 = 0 Solving for variable 'v'. Factor a trinomial. (-3 + -1v)(7 + -2v) = 0Subproblem 1
Set the factor '(-3 + -1v)' equal to zero and attempt to solve: Simplifying -3 + -1v = 0 Solving -3 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1v = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1v = 0 + 3 -1v = 0 + 3 Combine like terms: 0 + 3 = 3 -1v = 3 Divide each side by '-1'. v = -3 Simplifying v = -3Subproblem 2
Set the factor '(7 + -2v)' equal to zero and attempt to solve: Simplifying 7 + -2v = 0 Solving 7 + -2v = 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 + -2v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2v = 0 + -7 -2v = 0 + -7 Combine like terms: 0 + -7 = -7 -2v = -7 Divide each side by '-2'. v = 3.5 Simplifying v = 3.5Solution
v = {-3, 3.5}
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