-.062*x^2+1.4647*x+5.2405=5

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Solution for -.062*x^2+1.4647*x+5.2405=5 equation:


Simplifying
-0.062x2 + 1.4647x + 5.2405 = 5

Reorder the terms:
5.2405 + 1.4647x + -0.062x2 = 5

Solving
5.2405 + 1.4647x + -0.062x2 = 5

Solving for variable 'x'.

Reorder the terms:
5.2405 + -5 + 1.4647x + -0.062x2 = 5 + -5

Combine like terms: 5.2405 + -5 = 0.2405
0.2405 + 1.4647x + -0.062x2 = 5 + -5

Combine like terms: 5 + -5 = 0
0.2405 + 1.4647x + -0.062x2 = 0

Begin completing the square.  Divide all terms by
-0.062 the coefficient of the squared term: 

Divide each side by '-0.062'.
-3.879032258 + -23.62419355x + x2 = 0

Move the constant term to the right:

Add '3.879032258' to each side of the equation.
-3.879032258 + -23.62419355x + 3.879032258 + x2 = 0 + 3.879032258

Reorder the terms:
-3.879032258 + 3.879032258 + -23.62419355x + x2 = 0 + 3.879032258

Combine like terms: -3.879032258 + 3.879032258 = 0.000000000
0.000000000 + -23.62419355x + x2 = 0 + 3.879032258
-23.62419355x + x2 = 0 + 3.879032258

Combine like terms: 0 + 3.879032258 = 3.879032258
-23.62419355x + x2 = 3.879032258

The x term is -23.62419355x.  Take half its coefficient (-11.81209678).
Square it (139.5256303) and add it to both sides.

Add '139.5256303' to each side of the equation.
-23.62419355x + 139.5256303 + x2 = 3.879032258 + 139.5256303

Reorder the terms:
139.5256303 + -23.62419355x + x2 = 3.879032258 + 139.5256303

Combine like terms: 3.879032258 + 139.5256303 = 143.404662558
139.5256303 + -23.62419355x + x2 = 143.404662558

Factor a perfect square on the left side:
(x + -11.81209678)(x + -11.81209678) = 143.404662558

Calculate the square root of the right side: 11.975168582

Break this problem into two subproblems by setting 
(x + -11.81209678) equal to 11.975168582 and -11.975168582.

Subproblem 1

x + -11.81209678 = 11.975168582 Simplifying x + -11.81209678 = 11.975168582 Reorder the terms: -11.81209678 + x = 11.975168582 Solving -11.81209678 + x = 11.975168582 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.81209678' to each side of the equation. -11.81209678 + 11.81209678 + x = 11.975168582 + 11.81209678 Combine like terms: -11.81209678 + 11.81209678 = 0.00000000 0.00000000 + x = 11.975168582 + 11.81209678 x = 11.975168582 + 11.81209678 Combine like terms: 11.975168582 + 11.81209678 = 23.787265362 x = 23.787265362 Simplifying x = 23.787265362

Subproblem 2

x + -11.81209678 = -11.975168582 Simplifying x + -11.81209678 = -11.975168582 Reorder the terms: -11.81209678 + x = -11.975168582 Solving -11.81209678 + x = -11.975168582 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.81209678' to each side of the equation. -11.81209678 + 11.81209678 + x = -11.975168582 + 11.81209678 Combine like terms: -11.81209678 + 11.81209678 = 0.00000000 0.00000000 + x = -11.975168582 + 11.81209678 x = -11.975168582 + 11.81209678 Combine like terms: -11.975168582 + 11.81209678 = -0.163071802 x = -0.163071802 Simplifying x = -0.163071802

Solution

The solution to the problem is based on the solutions from the subproblems. x = {23.787265362, -0.163071802}

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