4.11x^2-9.22x+4.11=0

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Solution for 4.11x^2-9.22x+4.11=0 equation:


Simplifying
4.11x2 + -9.22x + 4.11 = 0

Reorder the terms:
4.11 + -9.22x + 4.11x2 = 0

Solving
4.11 + -9.22x + 4.11x2 = 0

Solving for variable 'x'.

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

Divide each side by '4.11'.
1 + -2.243309002x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -2.243309002x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -2.243309002x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -2.243309002x + x2 = 0 + -1
-2.243309002x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-2.243309002x + x2 = -1

The x term is -2.243309002x.  Take half its coefficient (-1.121654501).
Square it (1.258108820) and add it to both sides.

Add '1.258108820' to each side of the equation.
-2.243309002x + 1.258108820 + x2 = -1 + 1.258108820

Reorder the terms:
1.258108820 + -2.243309002x + x2 = -1 + 1.258108820

Combine like terms: -1 + 1.258108820 = 0.25810882
1.258108820 + -2.243309002x + x2 = 0.25810882

Factor a perfect square on the left side:
(x + -1.121654501)(x + -1.121654501) = 0.25810882

Calculate the square root of the right side: 0.508044112

Break this problem into two subproblems by setting 
(x + -1.121654501) equal to 0.508044112 and -0.508044112.

Subproblem 1

x + -1.121654501 = 0.508044112 Simplifying x + -1.121654501 = 0.508044112 Reorder the terms: -1.121654501 + x = 0.508044112 Solving -1.121654501 + x = 0.508044112 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.121654501' to each side of the equation. -1.121654501 + 1.121654501 + x = 0.508044112 + 1.121654501 Combine like terms: -1.121654501 + 1.121654501 = 0.000000000 0.000000000 + x = 0.508044112 + 1.121654501 x = 0.508044112 + 1.121654501 Combine like terms: 0.508044112 + 1.121654501 = 1.629698613 x = 1.629698613 Simplifying x = 1.629698613

Subproblem 2

x + -1.121654501 = -0.508044112 Simplifying x + -1.121654501 = -0.508044112 Reorder the terms: -1.121654501 + x = -0.508044112 Solving -1.121654501 + x = -0.508044112 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.121654501' to each side of the equation. -1.121654501 + 1.121654501 + x = -0.508044112 + 1.121654501 Combine like terms: -1.121654501 + 1.121654501 = 0.000000000 0.000000000 + x = -0.508044112 + 1.121654501 x = -0.508044112 + 1.121654501 Combine like terms: -0.508044112 + 1.121654501 = 0.613610389 x = 0.613610389 Simplifying x = 0.613610389

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.629698613, 0.613610389}

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