Q^2+10Q+22=0

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Solution for Q^2+10Q+22=0 equation: 


Simplifying
Q2 + 10Q + 22 = 0

Reorder the terms:
22 + 10Q + Q2 = 0

Solving
22 + 10Q + Q2 = 0

Solving for variable 'Q'.

Begin completing the square.

Move the constant term to the right:

Add '-22' to each side of the equation.
22 + 10Q + -22 + Q2 = 0 + -22

Reorder the terms:
22 + -22 + 10Q + Q2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 10Q + Q2 = 0 + -22
10Q + Q2 = 0 + -22

Combine like terms: 0 + -22 = -22
10Q + Q2 = -22

The Q term is 10Q.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10Q + 25 + Q2 = -22 + 25

Reorder the terms:
25 + 10Q + Q2 = -22 + 25

Combine like terms: -22 + 25 = 3
25 + 10Q + Q2 = 3

Factor a perfect square on the left side:
(Q + 5)(Q + 5) = 3

Calculate the square root of the right side: 1.732050808

Break this problem into two subproblems by setting 
(Q + 5) equal to 1.732050808 and -1.732050808.


Subproblem 1
Q + 5 = 1.732050808

Simplifying
Q + 5 = 1.732050808

Reorder the terms:
5 + Q = 1.732050808

Solving
5 + Q = 1.732050808

Solving for variable 'Q'.

Move all terms containing Q to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + Q = 1.732050808 + -5

Combine like terms: 5 + -5 = 0
0 + Q = 1.732050808 + -5
Q = 1.732050808 + -5

Combine like terms: 1.732050808 + -5 = -3.267949192
Q = -3.267949192

Simplifying
Q = -3.267949192


Subproblem 2
Q + 5 = -1.732050808

Simplifying
Q + 5 = -1.732050808

Reorder the terms:
5 + Q = -1.732050808

Solving
5 + Q = -1.732050808

Solving for variable 'Q'.

Move all terms containing Q to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + Q = -1.732050808 + -5

Combine like terms: 5 + -5 = 0
0 + Q = -1.732050808 + -5
Q = -1.732050808 + -5

Combine like terms: -1.732050808 + -5 = -6.732050808
Q = -6.732050808

Simplifying
Q = -6.732050808


Solution
The solution to the problem is based on the solutions
from the subproblems.
Q = {-3.267949192, -6.732050808}

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