4v^2+11v=6

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Solution for 4v^2+11v=6 equation:


Simplifying
4v2 + 11v = 6

Reorder the terms:
11v + 4v2 = 6

Solving
11v + 4v2 = 6

Solving for variable 'v'.

Reorder the terms:
-6 + 11v + 4v2 = 6 + -6

Combine like terms: 6 + -6 = 0
-6 + 11v + 4v2 = 0

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

Divide each side by '4'.
-1.5 + 2.75v + v2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + 2.75v + 1.5 + v2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + 2.75v + v2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 2.75v + v2 = 0 + 1.5
2.75v + v2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
2.75v + v2 = 1.5

The v term is 2.75v.  Take half its coefficient (1.375).
Square it (1.890625) and add it to both sides.

Add '1.890625' to each side of the equation.
2.75v + 1.890625 + v2 = 1.5 + 1.890625

Reorder the terms:
1.890625 + 2.75v + v2 = 1.5 + 1.890625

Combine like terms: 1.5 + 1.890625 = 3.390625
1.890625 + 2.75v + v2 = 3.390625

Factor a perfect square on the left side:
(v + 1.375)(v + 1.375) = 3.390625

Calculate the square root of the right side: 1.841364983

Break this problem into two subproblems by setting 
(v + 1.375) equal to 1.841364983 and -1.841364983.

Subproblem 1

v + 1.375 = 1.841364983 Simplifying v + 1.375 = 1.841364983 Reorder the terms: 1.375 + v = 1.841364983 Solving 1.375 + v = 1.841364983 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-1.375' to each side of the equation. 1.375 + -1.375 + v = 1.841364983 + -1.375 Combine like terms: 1.375 + -1.375 = 0.000 0.000 + v = 1.841364983 + -1.375 v = 1.841364983 + -1.375 Combine like terms: 1.841364983 + -1.375 = 0.466364983 v = 0.466364983 Simplifying v = 0.466364983

Subproblem 2

v + 1.375 = -1.841364983 Simplifying v + 1.375 = -1.841364983 Reorder the terms: 1.375 + v = -1.841364983 Solving 1.375 + v = -1.841364983 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-1.375' to each side of the equation. 1.375 + -1.375 + v = -1.841364983 + -1.375 Combine like terms: 1.375 + -1.375 = 0.000 0.000 + v = -1.841364983 + -1.375 v = -1.841364983 + -1.375 Combine like terms: -1.841364983 + -1.375 = -3.216364983 v = -3.216364983 Simplifying v = -3.216364983

Solution

The solution to the problem is based on the solutions from the subproblems. v = {0.466364983, -3.216364983}

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