2v^2-18v+41-v^2+16=0

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Solution for 2v^2-18v+41-v^2+16=0 equation:


Simplifying
2v2 + -18v + 41 + -1v2 + 16 = 0

Reorder the terms:
41 + 16 + -18v + 2v2 + -1v2 = 0

Combine like terms: 41 + 16 = 57
57 + -18v + 2v2 + -1v2 = 0

Combine like terms: 2v2 + -1v2 = 1v2
57 + -18v + 1v2 = 0

Solving
57 + -18v + 1v2 = 0

Solving for variable 'v'.

Begin completing the square.

Move the constant term to the right:

Add '-57' to each side of the equation.
57 + -18v + -57 + v2 = 0 + -57

Reorder the terms:
57 + -57 + -18v + v2 = 0 + -57

Combine like terms: 57 + -57 = 0
0 + -18v + v2 = 0 + -57
-18v + v2 = 0 + -57

Combine like terms: 0 + -57 = -57
-18v + v2 = -57

The v term is -18v.  Take half its coefficient (-9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
-18v + 81 + v2 = -57 + 81

Reorder the terms:
81 + -18v + v2 = -57 + 81

Combine like terms: -57 + 81 = 24
81 + -18v + v2 = 24

Factor a perfect square on the left side:
(v + -9)(v + -9) = 24

Calculate the square root of the right side: 4.898979486

Break this problem into two subproblems by setting 
(v + -9) equal to 4.898979486 and -4.898979486.

Subproblem 1

v + -9 = 4.898979486 Simplifying v + -9 = 4.898979486 Reorder the terms: -9 + v = 4.898979486 Solving -9 + v = 4.898979486 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + v = 4.898979486 + 9 Combine like terms: -9 + 9 = 0 0 + v = 4.898979486 + 9 v = 4.898979486 + 9 Combine like terms: 4.898979486 + 9 = 13.898979486 v = 13.898979486 Simplifying v = 13.898979486

Subproblem 2

v + -9 = -4.898979486 Simplifying v + -9 = -4.898979486 Reorder the terms: -9 + v = -4.898979486 Solving -9 + v = -4.898979486 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + v = -4.898979486 + 9 Combine like terms: -9 + 9 = 0 0 + v = -4.898979486 + 9 v = -4.898979486 + 9 Combine like terms: -4.898979486 + 9 = 4.101020514 v = 4.101020514 Simplifying v = 4.101020514

Solution

The solution to the problem is based on the solutions from the subproblems. v = {13.898979486, 4.101020514}

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