-6v^2+8v+3=0

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Solution for -6v^2+8v+3=0 equation:


Simplifying
-6v2 + 8v + 3 = 0

Reorder the terms:
3 + 8v + -6v2 = 0

Solving
3 + 8v + -6v2 = 0

Solving for variable 'v'.

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
-0.5 + -1.333333333v + v2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + -1.333333333v + 0.5 + v2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + -1.333333333v + v2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + -1.333333333v + v2 = 0 + 0.5
-1.333333333v + v2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
-1.333333333v + v2 = 0.5

The v term is -1.333333333v.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333v + 0.4444444442 + v2 = 0.5 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333v + v2 = 0.5 + 0.4444444442

Combine like terms: 0.5 + 0.4444444442 = 0.9444444442
0.4444444442 + -1.333333333v + v2 = 0.9444444442

Factor a perfect square on the left side:
(v + -0.6666666665)(v + -0.6666666665) = 0.9444444442

Calculate the square root of the right side: 0.971825316

Break this problem into two subproblems by setting 
(v + -0.6666666665) equal to 0.971825316 and -0.971825316.

Subproblem 1

v + -0.6666666665 = 0.971825316 Simplifying v + -0.6666666665 = 0.971825316 Reorder the terms: -0.6666666665 + v = 0.971825316 Solving -0.6666666665 + v = 0.971825316 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + v = 0.971825316 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + v = 0.971825316 + 0.6666666665 v = 0.971825316 + 0.6666666665 Combine like terms: 0.971825316 + 0.6666666665 = 1.6384919825 v = 1.6384919825 Simplifying v = 1.6384919825

Subproblem 2

v + -0.6666666665 = -0.971825316 Simplifying v + -0.6666666665 = -0.971825316 Reorder the terms: -0.6666666665 + v = -0.971825316 Solving -0.6666666665 + v = -0.971825316 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + v = -0.971825316 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + v = -0.971825316 + 0.6666666665 v = -0.971825316 + 0.6666666665 Combine like terms: -0.971825316 + 0.6666666665 = -0.3051586495 v = -0.3051586495 Simplifying v = -0.3051586495

Solution

The solution to the problem is based on the solutions from the subproblems. v = {1.6384919825, -0.3051586495}

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