0.015625x^2-x+12=0

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Solution for 0.015625x^2-x+12=0 equation:


Simplifying
0.015625x2 + -1x + 12 = 0

Reorder the terms:
12 + -1x + 0.015625x2 = 0

Solving
12 + -1x + 0.015625x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
0.015625 the coefficient of the squared term: 

Divide each side by '0.015625'.
768 + -64x + x2 = 0

Move the constant term to the right:

Add '-768' to each side of the equation.
768 + -64x + -768 + x2 = 0 + -768

Reorder the terms:
768 + -768 + -64x + x2 = 0 + -768

Combine like terms: 768 + -768 = 0
0 + -64x + x2 = 0 + -768
-64x + x2 = 0 + -768

Combine like terms: 0 + -768 = -768
-64x + x2 = -768

The x term is -64x.  Take half its coefficient (-32).
Square it (1024) and add it to both sides.

Add '1024' to each side of the equation.
-64x + 1024 + x2 = -768 + 1024

Reorder the terms:
1024 + -64x + x2 = -768 + 1024

Combine like terms: -768 + 1024 = 256
1024 + -64x + x2 = 256

Factor a perfect square on the left side:
(x + -32)(x + -32) = 256

Calculate the square root of the right side: 16

Break this problem into two subproblems by setting 
(x + -32) equal to 16 and -16.

Subproblem 1

x + -32 = 16 Simplifying x + -32 = 16 Reorder the terms: -32 + x = 16 Solving -32 + x = 16 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '32' to each side of the equation. -32 + 32 + x = 16 + 32 Combine like terms: -32 + 32 = 0 0 + x = 16 + 32 x = 16 + 32 Combine like terms: 16 + 32 = 48 x = 48 Simplifying x = 48

Subproblem 2

x + -32 = -16 Simplifying x + -32 = -16 Reorder the terms: -32 + x = -16 Solving -32 + x = -16 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '32' to each side of the equation. -32 + 32 + x = -16 + 32 Combine like terms: -32 + 32 = 0 0 + x = -16 + 32 x = -16 + 32 Combine like terms: -16 + 32 = 16 x = 16 Simplifying x = 16

Solution

The solution to the problem is based on the solutions from the subproblems. x = {48, 16}

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