x^2-1.11x+0.30=0.50

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Solution for x^2-1.11x+0.30=0.50 equation:


Simplifying
x2 + -1.11x + 0.30 = 0.50

Reorder the terms:
0.30 + -1.11x + x2 = 0.50

Solving
0.30 + -1.11x + x2 = 0.50

Solving for variable 'x'.

Reorder the terms:
0.30 + -0.50 + -1.11x + x2 = 0.50 + -0.50

Combine like terms: 0.30 + -0.50 = -0.2
-0.2 + -1.11x + x2 = 0.50 + -0.50

Combine like terms: 0.50 + -0.50 = 0.00
-0.2 + -1.11x + x2 = 0.00

Begin completing the square.

Move the constant term to the right:

Add '0.2' to each side of the equation.
-0.2 + -1.11x + 0.2 + x2 = 0.00 + 0.2

Reorder the terms:
-0.2 + 0.2 + -1.11x + x2 = 0.00 + 0.2

Combine like terms: -0.2 + 0.2 = 0.0
0.0 + -1.11x + x2 = 0.00 + 0.2
-1.11x + x2 = 0.00 + 0.2

Combine like terms: 0.00 + 0.2 = 0.2
-1.11x + x2 = 0.2

The x term is -1.11x.  Take half its coefficient (-0.555).
Square it (0.308025) and add it to both sides.

Add '0.308025' to each side of the equation.
-1.11x + 0.308025 + x2 = 0.2 + 0.308025

Reorder the terms:
0.308025 + -1.11x + x2 = 0.2 + 0.308025

Combine like terms: 0.2 + 0.308025 = 0.508025
0.308025 + -1.11x + x2 = 0.508025

Factor a perfect square on the left side:
(x + -0.555)(x + -0.555) = 0.508025

Calculate the square root of the right side: 0.712758725

Break this problem into two subproblems by setting 
(x + -0.555) equal to 0.712758725 and -0.712758725.

Subproblem 1

x + -0.555 = 0.712758725 Simplifying x + -0.555 = 0.712758725 Reorder the terms: -0.555 + x = 0.712758725 Solving -0.555 + x = 0.712758725 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.555' to each side of the equation. -0.555 + 0.555 + x = 0.712758725 + 0.555 Combine like terms: -0.555 + 0.555 = 0.000 0.000 + x = 0.712758725 + 0.555 x = 0.712758725 + 0.555 Combine like terms: 0.712758725 + 0.555 = 1.267758725 x = 1.267758725 Simplifying x = 1.267758725

Subproblem 2

x + -0.555 = -0.712758725 Simplifying x + -0.555 = -0.712758725 Reorder the terms: -0.555 + x = -0.712758725 Solving -0.555 + x = -0.712758725 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.555' to each side of the equation. -0.555 + 0.555 + x = -0.712758725 + 0.555 Combine like terms: -0.555 + 0.555 = 0.000 0.000 + x = -0.712758725 + 0.555 x = -0.712758725 + 0.555 Combine like terms: -0.712758725 + 0.555 = -0.157758725 x = -0.157758725 Simplifying x = -0.157758725

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.267758725, -0.157758725}

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