x*x-x=0.038

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Solution for x*x-x=0.038 equation:


Simplifying
x * x + -1x = 0.038

Multiply x * x
x2 + -1x = 0.038

Reorder the terms:
-1x + x2 = 0.038

Solving
-1x + x2 = 0.038

Solving for variable 'x'.

Reorder the terms:
-0.038 + -1x + x2 = 0.038 + -0.038

Combine like terms: 0.038 + -0.038 = 0.000
-0.038 + -1x + x2 = 0.000

Begin completing the square.

Move the constant term to the right:

Add '0.038' to each side of the equation.
-0.038 + -1x + 0.038 + x2 = 0.000 + 0.038

Reorder the terms:
-0.038 + 0.038 + -1x + x2 = 0.000 + 0.038

Combine like terms: -0.038 + 0.038 = 0.000
0.000 + -1x + x2 = 0.000 + 0.038
-1x + x2 = 0.000 + 0.038

Combine like terms: 0.000 + 0.038 = 0.038
-1x + x2 = 0.038

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 0.038 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 0.038 + 0.25

Combine like terms: 0.038 + 0.25 = 0.288
0.25 + -1x + x2 = 0.288

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 0.288

Calculate the square root of the right side: 0.536656315

Break this problem into two subproblems by setting 
(x + -0.5) equal to 0.536656315 and -0.536656315.

Subproblem 1

x + -0.5 = 0.536656315 Simplifying x + -0.5 = 0.536656315 Reorder the terms: -0.5 + x = 0.536656315 Solving -0.5 + x = 0.536656315 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 0.536656315 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 0.536656315 + 0.5 x = 0.536656315 + 0.5 Combine like terms: 0.536656315 + 0.5 = 1.036656315 x = 1.036656315 Simplifying x = 1.036656315

Subproblem 2

x + -0.5 = -0.536656315 Simplifying x + -0.5 = -0.536656315 Reorder the terms: -0.5 + x = -0.536656315 Solving -0.5 + x = -0.536656315 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -0.536656315 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -0.536656315 + 0.5 x = -0.536656315 + 0.5 Combine like terms: -0.536656315 + 0.5 = -0.036656315 x = -0.036656315 Simplifying x = -0.036656315

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.036656315, -0.036656315}

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