x^2-.25x+.0156=0

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Solution for x^2-.25x+.0156=0 equation:


Simplifying
x2 + -0.25x + 0.0156 = 0

Reorder the terms:
0.0156 + -0.25x + x2 = 0

Solving
0.0156 + -0.25x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-0.0156' to each side of the equation.
0.0156 + -0.25x + -0.0156 + x2 = 0 + -0.0156

Reorder the terms:
0.0156 + -0.0156 + -0.25x + x2 = 0 + -0.0156

Combine like terms: 0.0156 + -0.0156 = 0.0000
0.0000 + -0.25x + x2 = 0 + -0.0156
-0.25x + x2 = 0 + -0.0156

Combine like terms: 0 + -0.0156 = -0.0156
-0.25x + x2 = -0.0156

The x term is -0.25x.  Take half its coefficient (-0.125).
Square it (0.015625) and add it to both sides.

Add '0.015625' to each side of the equation.
-0.25x + 0.015625 + x2 = -0.0156 + 0.015625

Reorder the terms:
0.015625 + -0.25x + x2 = -0.0156 + 0.015625

Combine like terms: -0.0156 + 0.015625 = 0.000025
0.015625 + -0.25x + x2 = 0.000025

Factor a perfect square on the left side:
(x + -0.125)(x + -0.125) = 0.000025

Calculate the square root of the right side: 0.005

Break this problem into two subproblems by setting 
(x + -0.125) equal to 0.005 and -0.005.

Subproblem 1

x + -0.125 = 0.005 Simplifying x + -0.125 = 0.005 Reorder the terms: -0.125 + x = 0.005 Solving -0.125 + x = 0.005 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.125' to each side of the equation. -0.125 + 0.125 + x = 0.005 + 0.125 Combine like terms: -0.125 + 0.125 = 0.000 0.000 + x = 0.005 + 0.125 x = 0.005 + 0.125 Combine like terms: 0.005 + 0.125 = 0.13 x = 0.13 Simplifying x = 0.13

Subproblem 2

x + -0.125 = -0.005 Simplifying x + -0.125 = -0.005 Reorder the terms: -0.125 + x = -0.005 Solving -0.125 + x = -0.005 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.125' to each side of the equation. -0.125 + 0.125 + x = -0.005 + 0.125 Combine like terms: -0.125 + 0.125 = 0.000 0.000 + x = -0.005 + 0.125 x = -0.005 + 0.125 Combine like terms: -0.005 + 0.125 = 0.12 x = 0.12 Simplifying x = 0.12

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.13, 0.12}

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