41.9x^2-45.9x+11.48=0

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Solution for 41.9x^2-45.9x+11.48=0 equation:


Simplifying
41.9x2 + -45.9x + 11.48 = 0

Reorder the terms:
11.48 + -45.9x + 41.9x2 = 0

Solving
11.48 + -45.9x + 41.9x2 = 0

Solving for variable 'x'.

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

Divide each side by '41.9'.
0.2739856802 + -1.095465394x + x2 = 0

Move the constant term to the right:

Add '-0.2739856802' to each side of the equation.
0.2739856802 + -1.095465394x + -0.2739856802 + x2 = 0 + -0.2739856802

Reorder the terms:
0.2739856802 + -0.2739856802 + -1.095465394x + x2 = 0 + -0.2739856802

Combine like terms: 0.2739856802 + -0.2739856802 = 0.0000000000
0.0000000000 + -1.095465394x + x2 = 0 + -0.2739856802
-1.095465394x + x2 = 0 + -0.2739856802

Combine like terms: 0 + -0.2739856802 = -0.2739856802
-1.095465394x + x2 = -0.2739856802

The x term is -1.095465394x.  Take half its coefficient (-0.547732697).
Square it (0.3000111074) and add it to both sides.

Add '0.3000111074' to each side of the equation.
-1.095465394x + 0.3000111074 + x2 = -0.2739856802 + 0.3000111074

Reorder the terms:
0.3000111074 + -1.095465394x + x2 = -0.2739856802 + 0.3000111074

Combine like terms: -0.2739856802 + 0.3000111074 = 0.0260254272
0.3000111074 + -1.095465394x + x2 = 0.0260254272

Factor a perfect square on the left side:
(x + -0.547732697)(x + -0.547732697) = 0.0260254272

Calculate the square root of the right side: 0.161323982

Break this problem into two subproblems by setting 
(x + -0.547732697) equal to 0.161323982 and -0.161323982.

Subproblem 1

x + -0.547732697 = 0.161323982 Simplifying x + -0.547732697 = 0.161323982 Reorder the terms: -0.547732697 + x = 0.161323982 Solving -0.547732697 + x = 0.161323982 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.547732697' to each side of the equation. -0.547732697 + 0.547732697 + x = 0.161323982 + 0.547732697 Combine like terms: -0.547732697 + 0.547732697 = 0.000000000 0.000000000 + x = 0.161323982 + 0.547732697 x = 0.161323982 + 0.547732697 Combine like terms: 0.161323982 + 0.547732697 = 0.709056679 x = 0.709056679 Simplifying x = 0.709056679

Subproblem 2

x + -0.547732697 = -0.161323982 Simplifying x + -0.547732697 = -0.161323982 Reorder the terms: -0.547732697 + x = -0.161323982 Solving -0.547732697 + x = -0.161323982 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.547732697' to each side of the equation. -0.547732697 + 0.547732697 + x = -0.161323982 + 0.547732697 Combine like terms: -0.547732697 + 0.547732697 = 0.000000000 0.000000000 + x = -0.161323982 + 0.547732697 x = -0.161323982 + 0.547732697 Combine like terms: -0.161323982 + 0.547732697 = 0.386408715 x = 0.386408715 Simplifying x = 0.386408715

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.709056679, 0.386408715}

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