-v^2+7v+17=9

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Solution for -v^2+7v+17=9 equation:


Simplifying
-1v2 + 7v + 17 = 9

Reorder the terms:
17 + 7v + -1v2 = 9

Solving
17 + 7v + -1v2 = 9

Solving for variable 'v'.

Reorder the terms:
17 + -9 + 7v + -1v2 = 9 + -9

Combine like terms: 17 + -9 = 8
8 + 7v + -1v2 = 9 + -9

Combine like terms: 9 + -9 = 0
8 + 7v + -1v2 = 0

Factor a trinomial.
(8 + -1v)(1 + v) = 0

Subproblem 1

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 = 8

Subproblem 2

Set the factor '(1 + v)' equal to zero and attempt to solve: Simplifying 1 + v = 0 Solving 1 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + v = 0 + -1 v = 0 + -1 Combine like terms: 0 + -1 = -1 v = -1 Simplifying v = -1

Solution

v = {8, -1}

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