5.39x^2-10.27x+4.22=0

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Solution for 5.39x^2-10.27x+4.22=0 equation:


Simplifying
5.39x2 + -10.27x + 4.22 = 0

Reorder the terms:
4.22 + -10.27x + 5.39x2 = 0

Solving
4.22 + -10.27x + 5.39x2 = 0

Solving for variable 'x'.

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

Divide each side by '5.39'.
0.7829313544 + -1.905380334x + x2 = 0

Move the constant term to the right:

Add '-0.7829313544' to each side of the equation.
0.7829313544 + -1.905380334x + -0.7829313544 + x2 = 0 + -0.7829313544

Reorder the terms:
0.7829313544 + -0.7829313544 + -1.905380334x + x2 = 0 + -0.7829313544

Combine like terms: 0.7829313544 + -0.7829313544 = 0.0000000000
0.0000000000 + -1.905380334x + x2 = 0 + -0.7829313544
-1.905380334x + x2 = 0 + -0.7829313544

Combine like terms: 0 + -0.7829313544 = -0.7829313544
-1.905380334x + x2 = -0.7829313544

The x term is -1.905380334x.  Take half its coefficient (-0.952690167).
Square it (0.9076185543) and add it to both sides.

Add '0.9076185543' to each side of the equation.
-1.905380334x + 0.9076185543 + x2 = -0.7829313544 + 0.9076185543

Reorder the terms:
0.9076185543 + -1.905380334x + x2 = -0.7829313544 + 0.9076185543

Combine like terms: -0.7829313544 + 0.9076185543 = 0.1246871999
0.9076185543 + -1.905380334x + x2 = 0.1246871999

Factor a perfect square on the left side:
(x + -0.952690167)(x + -0.952690167) = 0.1246871999

Calculate the square root of the right side: 0.353110747

Break this problem into two subproblems by setting 
(x + -0.952690167) equal to 0.353110747 and -0.353110747.

Subproblem 1

x + -0.952690167 = 0.353110747 Simplifying x + -0.952690167 = 0.353110747 Reorder the terms: -0.952690167 + x = 0.353110747 Solving -0.952690167 + x = 0.353110747 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.952690167' to each side of the equation. -0.952690167 + 0.952690167 + x = 0.353110747 + 0.952690167 Combine like terms: -0.952690167 + 0.952690167 = 0.000000000 0.000000000 + x = 0.353110747 + 0.952690167 x = 0.353110747 + 0.952690167 Combine like terms: 0.353110747 + 0.952690167 = 1.305800914 x = 1.305800914 Simplifying x = 1.305800914

Subproblem 2

x + -0.952690167 = -0.353110747 Simplifying x + -0.952690167 = -0.353110747 Reorder the terms: -0.952690167 + x = -0.353110747 Solving -0.952690167 + x = -0.353110747 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.952690167' to each side of the equation. -0.952690167 + 0.952690167 + x = -0.353110747 + 0.952690167 Combine like terms: -0.952690167 + 0.952690167 = 0.000000000 0.000000000 + x = -0.353110747 + 0.952690167 x = -0.353110747 + 0.952690167 Combine like terms: -0.353110747 + 0.952690167 = 0.59957942 x = 0.59957942 Simplifying x = 0.59957942

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.305800914, 0.59957942}

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