11v^2-8=-10v

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Solution for 11v^2-8=-10v equation:


Simplifying
11v2 + -8 = -10v

Reorder the terms:
-8 + 11v2 = -10v

Solving
-8 + 11v2 = -10v

Solving for variable 'v'.

Reorder the terms:
-8 + 10v + 11v2 = -10v + 10v

Combine like terms: -10v + 10v = 0
-8 + 10v + 11v2 = 0

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

Divide each side by '11'.
-0.7272727273 + 0.9090909091v + v2 = 0

Move the constant term to the right:

Add '0.7272727273' to each side of the equation.
-0.7272727273 + 0.9090909091v + 0.7272727273 + v2 = 0 + 0.7272727273

Reorder the terms:
-0.7272727273 + 0.7272727273 + 0.9090909091v + v2 = 0 + 0.7272727273

Combine like terms: -0.7272727273 + 0.7272727273 = 0.0000000000
0.0000000000 + 0.9090909091v + v2 = 0 + 0.7272727273
0.9090909091v + v2 = 0 + 0.7272727273

Combine like terms: 0 + 0.7272727273 = 0.7272727273
0.9090909091v + v2 = 0.7272727273

The v term is 0.9090909091v.  Take half its coefficient (0.4545454546).
Square it (0.2066115703) and add it to both sides.

Add '0.2066115703' to each side of the equation.
0.9090909091v + 0.2066115703 + v2 = 0.7272727273 + 0.2066115703

Reorder the terms:
0.2066115703 + 0.9090909091v + v2 = 0.7272727273 + 0.2066115703

Combine like terms: 0.7272727273 + 0.2066115703 = 0.9338842976
0.2066115703 + 0.9090909091v + v2 = 0.9338842976

Factor a perfect square on the left side:
(v + 0.4545454546)(v + 0.4545454546) = 0.9338842976

Calculate the square root of the right side: 0.966376892

Break this problem into two subproblems by setting 
(v + 0.4545454546) equal to 0.966376892 and -0.966376892.

Subproblem 1

v + 0.4545454546 = 0.966376892 Simplifying v + 0.4545454546 = 0.966376892 Reorder the terms: 0.4545454546 + v = 0.966376892 Solving 0.4545454546 + v = 0.966376892 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-0.4545454546' to each side of the equation. 0.4545454546 + -0.4545454546 + v = 0.966376892 + -0.4545454546 Combine like terms: 0.4545454546 + -0.4545454546 = 0.0000000000 0.0000000000 + v = 0.966376892 + -0.4545454546 v = 0.966376892 + -0.4545454546 Combine like terms: 0.966376892 + -0.4545454546 = 0.5118314374 v = 0.5118314374 Simplifying v = 0.5118314374

Subproblem 2

v + 0.4545454546 = -0.966376892 Simplifying v + 0.4545454546 = -0.966376892 Reorder the terms: 0.4545454546 + v = -0.966376892 Solving 0.4545454546 + v = -0.966376892 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-0.4545454546' to each side of the equation. 0.4545454546 + -0.4545454546 + v = -0.966376892 + -0.4545454546 Combine like terms: 0.4545454546 + -0.4545454546 = 0.0000000000 0.0000000000 + v = -0.966376892 + -0.4545454546 v = -0.966376892 + -0.4545454546 Combine like terms: -0.966376892 + -0.4545454546 = -1.4209223466 v = -1.4209223466 Simplifying v = -1.4209223466

Solution

The solution to the problem is based on the solutions from the subproblems. v = {0.5118314374, -1.4209223466}

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