v^2+6.1v-6=0

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Solution for v^2+6.1v-6=0 equation:


Simplifying
v2 + 6.1v + -6 = 0

Reorder the terms:
-6 + 6.1v + v2 = 0

Solving
-6 + 6.1v + v2 = 0

Solving for variable 'v'.

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 6.1v + 6 + v2 = 0 + 6

Reorder the terms:
-6 + 6 + 6.1v + v2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 6.1v + v2 = 0 + 6
6.1v + v2 = 0 + 6

Combine like terms: 0 + 6 = 6
6.1v + v2 = 6

The v term is 6.1v.  Take half its coefficient (3.05).
Square it (9.3025) and add it to both sides.

Add '9.3025' to each side of the equation.
6.1v + 9.3025 + v2 = 6 + 9.3025

Reorder the terms:
9.3025 + 6.1v + v2 = 6 + 9.3025

Combine like terms: 6 + 9.3025 = 15.3025
9.3025 + 6.1v + v2 = 15.3025

Factor a perfect square on the left side:
(v + 3.05)(v + 3.05) = 15.3025

Calculate the square root of the right side: 3.911840999

Break this problem into two subproblems by setting 
(v + 3.05) equal to 3.911840999 and -3.911840999.

Subproblem 1

v + 3.05 = 3.911840999 Simplifying v + 3.05 = 3.911840999 Reorder the terms: 3.05 + v = 3.911840999 Solving 3.05 + v = 3.911840999 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-3.05' to each side of the equation. 3.05 + -3.05 + v = 3.911840999 + -3.05 Combine like terms: 3.05 + -3.05 = 0.00 0.00 + v = 3.911840999 + -3.05 v = 3.911840999 + -3.05 Combine like terms: 3.911840999 + -3.05 = 0.861840999 v = 0.861840999 Simplifying v = 0.861840999

Subproblem 2

v + 3.05 = -3.911840999 Simplifying v + 3.05 = -3.911840999 Reorder the terms: 3.05 + v = -3.911840999 Solving 3.05 + v = -3.911840999 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-3.05' to each side of the equation. 3.05 + -3.05 + v = -3.911840999 + -3.05 Combine like terms: 3.05 + -3.05 = 0.00 0.00 + v = -3.911840999 + -3.05 v = -3.911840999 + -3.05 Combine like terms: -3.911840999 + -3.05 = -6.961840999 v = -6.961840999 Simplifying v = -6.961840999

Solution

The solution to the problem is based on the solutions from the subproblems. v = {0.861840999, -6.961840999}

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