00000000000005=x(0.11+x)

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Solution for 00000000000005=x(0.11+x) equation:


Simplifying
5 = x(0.11 + x)
5 = (0.11 * x + x * x)
5 = (0.11x + x2)

Solving
5 = 0.11x + x2

Solving for variable 'x'.

Reorder the terms:
5 + -0.11x + -1x2 = 0.11x + -0.11x + x2 + -1x2

Combine like terms: 0.11x + -0.11x = 0.00
5 + -0.11x + -1x2 = 0.00 + x2 + -1x2
5 + -0.11x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
5 + -0.11x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-5 + 0.11x + x2 = 0

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + 0.11x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + 0.11x + x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 0.11x + x2 = 0 + 5
0.11x + x2 = 0 + 5

Combine like terms: 0 + 5 = 5
0.11x + x2 = 5

The x term is 0.11x.  Take half its coefficient (0.055).
Square it (0.003025) and add it to both sides.

Add '0.003025' to each side of the equation.
0.11x + 0.003025 + x2 = 5 + 0.003025

Reorder the terms:
0.003025 + 0.11x + x2 = 5 + 0.003025

Combine like terms: 5 + 0.003025 = 5.003025
0.003025 + 0.11x + x2 = 5.003025

Factor a perfect square on the left side:
(x + 0.055)(x + 0.055) = 5.003025

Calculate the square root of the right side: 2.236744286

Break this problem into two subproblems by setting 
(x + 0.055) equal to 2.236744286 and -2.236744286.

Subproblem 1

x + 0.055 = 2.236744286 Simplifying x + 0.055 = 2.236744286 Reorder the terms: 0.055 + x = 2.236744286 Solving 0.055 + x = 2.236744286 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.055' to each side of the equation. 0.055 + -0.055 + x = 2.236744286 + -0.055 Combine like terms: 0.055 + -0.055 = 0.000 0.000 + x = 2.236744286 + -0.055 x = 2.236744286 + -0.055 Combine like terms: 2.236744286 + -0.055 = 2.181744286 x = 2.181744286 Simplifying x = 2.181744286

Subproblem 2

x + 0.055 = -2.236744286 Simplifying x + 0.055 = -2.236744286 Reorder the terms: 0.055 + x = -2.236744286 Solving 0.055 + x = -2.236744286 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.055' to each side of the equation. 0.055 + -0.055 + x = -2.236744286 + -0.055 Combine like terms: 0.055 + -0.055 = 0.000 0.000 + x = -2.236744286 + -0.055 x = -2.236744286 + -0.055 Combine like terms: -2.236744286 + -0.055 = -2.291744286 x = -2.291744286 Simplifying x = -2.291744286

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.181744286, -2.291744286}

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