v^2+12v+26=0

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Solution for v^2+12v+26=0 equation:


Simplifying
v2 + 12v + 26 = 0

Reorder the terms:
26 + 12v + v2 = 0

Solving
26 + 12v + v2 = 0

Solving for variable 'v'.

Begin completing the square.

Move the constant term to the right:

Add '-26' to each side of the equation.
26 + 12v + -26 + v2 = 0 + -26

Reorder the terms:
26 + -26 + 12v + v2 = 0 + -26

Combine like terms: 26 + -26 = 0
0 + 12v + v2 = 0 + -26
12v + v2 = 0 + -26

Combine like terms: 0 + -26 = -26
12v + v2 = -26

The v term is 12v.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12v + 36 + v2 = -26 + 36

Reorder the terms:
36 + 12v + v2 = -26 + 36

Combine like terms: -26 + 36 = 10
36 + 12v + v2 = 10

Factor a perfect square on the left side:
(v + 6)(v + 6) = 10

Calculate the square root of the right side: 3.16227766

Break this problem into two subproblems by setting 
(v + 6) equal to 3.16227766 and -3.16227766.

Subproblem 1

v + 6 = 3.16227766 Simplifying v + 6 = 3.16227766 Reorder the terms: 6 + v = 3.16227766 Solving 6 + v = 3.16227766 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + v = 3.16227766 + -6 Combine like terms: 6 + -6 = 0 0 + v = 3.16227766 + -6 v = 3.16227766 + -6 Combine like terms: 3.16227766 + -6 = -2.83772234 v = -2.83772234 Simplifying v = -2.83772234

Subproblem 2

v + 6 = -3.16227766 Simplifying v + 6 = -3.16227766 Reorder the terms: 6 + v = -3.16227766 Solving 6 + v = -3.16227766 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + v = -3.16227766 + -6 Combine like terms: 6 + -6 = 0 0 + v = -3.16227766 + -6 v = -3.16227766 + -6 Combine like terms: -3.16227766 + -6 = -9.16227766 v = -9.16227766 Simplifying v = -9.16227766

Solution

The solution to the problem is based on the solutions from the subproblems. v = {-2.83772234, -9.16227766}

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