0=-.0241x^2+x+5.5

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Solution for 0=-.0241x^2+x+5.5 equation:


Simplifying
0 = -0.0241x2 + x + 5.5

Reorder the terms:
0 = 5.5 + x + -0.0241x2

Solving
0 = 5.5 + x + -0.0241x2

Solving for variable 'x'.

Combine like terms: 0 + -5.5 = -5.5
-5.5 + -1x + 0.0241x2 = 5.5 + x + -0.0241x2 + -5.5 + -1x + 0.0241x2

Reorder the terms:
-5.5 + -1x + 0.0241x2 = 5.5 + -5.5 + x + -1x + -0.0241x2 + 0.0241x2

Combine like terms: 5.5 + -5.5 = 0.0
-5.5 + -1x + 0.0241x2 = 0.0 + x + -1x + -0.0241x2 + 0.0241x2
-5.5 + -1x + 0.0241x2 = x + -1x + -0.0241x2 + 0.0241x2

Combine like terms: x + -1x = 0
-5.5 + -1x + 0.0241x2 = 0 + -0.0241x2 + 0.0241x2
-5.5 + -1x + 0.0241x2 = -0.0241x2 + 0.0241x2

Combine like terms: -0.0241x2 + 0.0241x2 = 0.0000
-5.5 + -1x + 0.0241x2 = 0.0000

Begin completing the square.  Divide all terms by
0.0241 the coefficient of the squared term: 

Divide each side by '0.0241'.
-228.2157676 + -41.49377593x + x2 = 0

Move the constant term to the right:

Add '228.2157676' to each side of the equation.
-228.2157676 + -41.49377593x + 228.2157676 + x2 = 0 + 228.2157676

Reorder the terms:
-228.2157676 + 228.2157676 + -41.49377593x + x2 = 0 + 228.2157676

Combine like terms: -228.2157676 + 228.2157676 = 0.0000000
0.0000000 + -41.49377593x + x2 = 0 + 228.2157676
-41.49377593x + x2 = 0 + 228.2157676

Combine like terms: 0 + 228.2157676 = 228.2157676
-41.49377593x + x2 = 228.2157676

The x term is -41.49377593x.  Take half its coefficient (-20.74688797).
Square it (430.4333604) and add it to both sides.

Add '430.4333604' to each side of the equation.
-41.49377593x + 430.4333604 + x2 = 228.2157676 + 430.4333604

Reorder the terms:
430.4333604 + -41.49377593x + x2 = 228.2157676 + 430.4333604

Combine like terms: 228.2157676 + 430.4333604 = 658.649128
430.4333604 + -41.49377593x + x2 = 658.649128

Factor a perfect square on the left side:
(x + -20.74688797)(x + -20.74688797) = 658.649128

Calculate the square root of the right side: 25.66416038

Break this problem into two subproblems by setting 
(x + -20.74688797) equal to 25.66416038 and -25.66416038.

Subproblem 1

x + -20.74688797 = 25.66416038 Simplifying x + -20.74688797 = 25.66416038 Reorder the terms: -20.74688797 + x = 25.66416038 Solving -20.74688797 + x = 25.66416038 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20.74688797' to each side of the equation. -20.74688797 + 20.74688797 + x = 25.66416038 + 20.74688797 Combine like terms: -20.74688797 + 20.74688797 = 0.00000000 0.00000000 + x = 25.66416038 + 20.74688797 x = 25.66416038 + 20.74688797 Combine like terms: 25.66416038 + 20.74688797 = 46.41104835 x = 46.41104835 Simplifying x = 46.41104835

Subproblem 2

x + -20.74688797 = -25.66416038 Simplifying x + -20.74688797 = -25.66416038 Reorder the terms: -20.74688797 + x = -25.66416038 Solving -20.74688797 + x = -25.66416038 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20.74688797' to each side of the equation. -20.74688797 + 20.74688797 + x = -25.66416038 + 20.74688797 Combine like terms: -20.74688797 + 20.74688797 = 0.00000000 0.00000000 + x = -25.66416038 + 20.74688797 x = -25.66416038 + 20.74688797 Combine like terms: -25.66416038 + 20.74688797 = -4.91727241 x = -4.91727241 Simplifying x = -4.91727241

Solution

The solution to the problem is based on the solutions from the subproblems. x = {46.41104835, -4.91727241}

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