x^2+(x*0.1)=46

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Solution for x^2+(x*0.1)=46 equation:


Simplifying
x2 + (x * 0.1) = 46

Reorder the terms for easier multiplication:
x2 + (0.1x) = 46

Reorder the terms:
(0.1x) + x2 = 46

Solving
(0.1x) + x2 = 46

Solving for variable 'x'.

Reorder the terms:
-46 + (0.1x) + x2 = 46 + -46

Combine like terms: 46 + -46 = 0
-46 + (0.1x) + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '46' to each side of the equation.
-46 + (0.1x) + 46 + x2 = 0 + 46

Reorder the terms:
-46 + 46 + (0.1x) + x2 = 0 + 46

Combine like terms: -46 + 46 = 0
0 + (0.1x) + x2 = 0 + 46
(0.1x) + x2 = 0 + 46

Combine like terms: 0 + 46 = 46
(0.1x) + x2 = 46

The x term is (0.1x).  Take half its coefficient (0.05).
Square it (0.0025) and add it to both sides.

Add '0.0025' to each side of the equation.
(0.1x) + 0.0025 + x2 = 46 + 0.0025

Reorder the terms:
0.0025 + (0.1x) + x2 = 46 + 0.0025

Combine like terms: 46 + 0.0025 = 46.0025
0.0025 + (0.1x) + x2 = 46.0025

Factor a perfect square on the left side:
(x + 0.05)(x + 0.05) = 46.0025

Calculate the square root of the right side: 6.782514283

Break this problem into two subproblems by setting 
(x + 0.05) equal to 6.782514283 and -6.782514283.

Subproblem 1

x + 0.05 = 6.782514283 Simplifying x + 0.05 = 6.782514283 Reorder the terms: 0.05 + x = 6.782514283 Solving 0.05 + x = 6.782514283 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.05' to each side of the equation. 0.05 + -0.05 + x = 6.782514283 + -0.05 Combine like terms: 0.05 + -0.05 = 0.00 0.00 + x = 6.782514283 + -0.05 x = 6.782514283 + -0.05 Combine like terms: 6.782514283 + -0.05 = 6.732514283 x = 6.732514283 Simplifying x = 6.732514283

Subproblem 2

x + 0.05 = -6.782514283 Simplifying x + 0.05 = -6.782514283 Reorder the terms: 0.05 + x = -6.782514283 Solving 0.05 + x = -6.782514283 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.05' to each side of the equation. 0.05 + -0.05 + x = -6.782514283 + -0.05 Combine like terms: 0.05 + -0.05 = 0.00 0.00 + x = -6.782514283 + -0.05 x = -6.782514283 + -0.05 Combine like terms: -6.782514283 + -0.05 = -6.832514283 x = -6.832514283 Simplifying x = -6.832514283

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.732514283, -6.832514283}

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