6.09x^2+4.57x-8.86=0

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Solution for 6.09x^2+4.57x-8.86=0 equation:


Simplifying
6.09x2 + 4.57x + -8.86 = 0

Reorder the terms:
-8.86 + 4.57x + 6.09x2 = 0

Solving
-8.86 + 4.57x + 6.09x2 = 0

Solving for variable 'x'.

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

Divide each side by '6.09'.
-1.454844007 + 0.750410509x + x2 = 0

Move the constant term to the right:

Add '1.454844007' to each side of the equation.
-1.454844007 + 0.750410509x + 1.454844007 + x2 = 0 + 1.454844007

Reorder the terms:
-1.454844007 + 1.454844007 + 0.750410509x + x2 = 0 + 1.454844007

Combine like terms: -1.454844007 + 1.454844007 = 0.000000000
0.000000000 + 0.750410509x + x2 = 0 + 1.454844007
0.750410509x + x2 = 0 + 1.454844007

Combine like terms: 0 + 1.454844007 = 1.454844007
0.750410509x + x2 = 1.454844007

The x term is 0.750410509x.  Take half its coefficient (0.3752052545).
Square it (0.1407789830) and add it to both sides.

Add '0.1407789830' to each side of the equation.
0.750410509x + 0.1407789830 + x2 = 1.454844007 + 0.1407789830

Reorder the terms:
0.1407789830 + 0.750410509x + x2 = 1.454844007 + 0.1407789830

Combine like terms: 1.454844007 + 0.1407789830 = 1.59562299
0.1407789830 + 0.750410509x + x2 = 1.59562299

Factor a perfect square on the left side:
(x + 0.3752052545)(x + 0.3752052545) = 1.59562299

Calculate the square root of the right side: 1.263179714

Break this problem into two subproblems by setting 
(x + 0.3752052545) equal to 1.263179714 and -1.263179714.

Subproblem 1

x + 0.3752052545 = 1.263179714 Simplifying x + 0.3752052545 = 1.263179714 Reorder the terms: 0.3752052545 + x = 1.263179714 Solving 0.3752052545 + x = 1.263179714 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3752052545' to each side of the equation. 0.3752052545 + -0.3752052545 + x = 1.263179714 + -0.3752052545 Combine like terms: 0.3752052545 + -0.3752052545 = 0.0000000000 0.0000000000 + x = 1.263179714 + -0.3752052545 x = 1.263179714 + -0.3752052545 Combine like terms: 1.263179714 + -0.3752052545 = 0.8879744595 x = 0.8879744595 Simplifying x = 0.8879744595

Subproblem 2

x + 0.3752052545 = -1.263179714 Simplifying x + 0.3752052545 = -1.263179714 Reorder the terms: 0.3752052545 + x = -1.263179714 Solving 0.3752052545 + x = -1.263179714 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3752052545' to each side of the equation. 0.3752052545 + -0.3752052545 + x = -1.263179714 + -0.3752052545 Combine like terms: 0.3752052545 + -0.3752052545 = 0.0000000000 0.0000000000 + x = -1.263179714 + -0.3752052545 x = -1.263179714 + -0.3752052545 Combine like terms: -1.263179714 + -0.3752052545 = -1.6383849685 x = -1.6383849685 Simplifying x = -1.6383849685

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.8879744595, -1.6383849685}

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