-4v^2+41v=14

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Solution for -4v^2+41v=14 equation:


Simplifying
-4v2 + 41v = 14

Reorder the terms:
41v + -4v2 = 14

Solving
41v + -4v2 = 14

Solving for variable 'v'.

Reorder the terms:
-14 + 41v + -4v2 = 14 + -14

Combine like terms: 14 + -14 = 0
-14 + 41v + -4v2 = 0

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
3.5 + -10.25v + v2 = 0

Move the constant term to the right:

Add '-3.5' to each side of the equation.
3.5 + -10.25v + -3.5 + v2 = 0 + -3.5

Reorder the terms:
3.5 + -3.5 + -10.25v + v2 = 0 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -10.25v + v2 = 0 + -3.5
-10.25v + v2 = 0 + -3.5

Combine like terms: 0 + -3.5 = -3.5
-10.25v + v2 = -3.5

The v term is -10.25v.  Take half its coefficient (-5.125).
Square it (26.265625) and add it to both sides.

Add '26.265625' to each side of the equation.
-10.25v + 26.265625 + v2 = -3.5 + 26.265625

Reorder the terms:
26.265625 + -10.25v + v2 = -3.5 + 26.265625

Combine like terms: -3.5 + 26.265625 = 22.765625
26.265625 + -10.25v + v2 = 22.765625

Factor a perfect square on the left side:
(v + -5.125)(v + -5.125) = 22.765625

Calculate the square root of the right side: 4.771333671

Break this problem into two subproblems by setting 
(v + -5.125) equal to 4.771333671 and -4.771333671.

Subproblem 1

v + -5.125 = 4.771333671 Simplifying v + -5.125 = 4.771333671 Reorder the terms: -5.125 + v = 4.771333671 Solving -5.125 + v = 4.771333671 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '5.125' to each side of the equation. -5.125 + 5.125 + v = 4.771333671 + 5.125 Combine like terms: -5.125 + 5.125 = 0.000 0.000 + v = 4.771333671 + 5.125 v = 4.771333671 + 5.125 Combine like terms: 4.771333671 + 5.125 = 9.896333671 v = 9.896333671 Simplifying v = 9.896333671

Subproblem 2

v + -5.125 = -4.771333671 Simplifying v + -5.125 = -4.771333671 Reorder the terms: -5.125 + v = -4.771333671 Solving -5.125 + v = -4.771333671 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '5.125' to each side of the equation. -5.125 + 5.125 + v = -4.771333671 + 5.125 Combine like terms: -5.125 + 5.125 = 0.000 0.000 + v = -4.771333671 + 5.125 v = -4.771333671 + 5.125 Combine like terms: -4.771333671 + 5.125 = 0.353666329 v = 0.353666329 Simplifying v = 0.353666329

Solution

The solution to the problem is based on the solutions from the subproblems. v = {9.896333671, 0.353666329}

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