0.0021*(x^2)-0.3592*(x)-14.663=0

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Solution for 0.0021*(x^2)-0.3592*(x)-14.663=0 equation:


Simplifying
0.0021(x2) + -0.3592(x) + -14.663 = 0

Reorder the terms:
-14.663 + -0.3592x + 0.0021x2 = 0

Solving
-14.663 + -0.3592x + 0.0021x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
0.0021 the coefficient of the squared term: 

Divide each side by '0.0021'.
-6982.380952 + -171.047619x + x2 = 0

Move the constant term to the right:

Add '6982.380952' to each side of the equation.
-6982.380952 + -171.047619x + 6982.380952 + x2 = 0 + 6982.380952

Reorder the terms:
-6982.380952 + 6982.380952 + -171.047619x + x2 = 0 + 6982.380952

Combine like terms: -6982.380952 + 6982.380952 = 0.000000
0.000000 + -171.047619x + x2 = 0 + 6982.380952
-171.047619x + x2 = 0 + 6982.380952

Combine like terms: 0 + 6982.380952 = 6982.380952
-171.047619x + x2 = 6982.380952

The x term is -171.047619x.  Take half its coefficient (-85.5238095).
Square it (7314.321991) and add it to both sides.

Add '7314.321991' to each side of the equation.
-171.047619x + 7314.321991 + x2 = 6982.380952 + 7314.321991

Reorder the terms:
7314.321991 + -171.047619x + x2 = 6982.380952 + 7314.321991

Combine like terms: 6982.380952 + 7314.321991 = 14296.702943
7314.321991 + -171.047619x + x2 = 14296.702943

Factor a perfect square on the left side:
(x + -85.5238095)(x + -85.5238095) = 14296.702943

Calculate the square root of the right side: 119.568820948

Break this problem into two subproblems by setting 
(x + -85.5238095) equal to 119.568820948 and -119.568820948.

Subproblem 1

x + -85.5238095 = 119.568820948 Simplifying x + -85.5238095 = 119.568820948 Reorder the terms: -85.5238095 + x = 119.568820948 Solving -85.5238095 + x = 119.568820948 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '85.5238095' to each side of the equation. -85.5238095 + 85.5238095 + x = 119.568820948 + 85.5238095 Combine like terms: -85.5238095 + 85.5238095 = 0.0000000 0.0000000 + x = 119.568820948 + 85.5238095 x = 119.568820948 + 85.5238095 Combine like terms: 119.568820948 + 85.5238095 = 205.092630448 x = 205.092630448 Simplifying x = 205.092630448

Subproblem 2

x + -85.5238095 = -119.568820948 Simplifying x + -85.5238095 = -119.568820948 Reorder the terms: -85.5238095 + x = -119.568820948 Solving -85.5238095 + x = -119.568820948 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '85.5238095' to each side of the equation. -85.5238095 + 85.5238095 + x = -119.568820948 + 85.5238095 Combine like terms: -85.5238095 + 85.5238095 = 0.0000000 0.0000000 + x = -119.568820948 + 85.5238095 x = -119.568820948 + 85.5238095 Combine like terms: -119.568820948 + 85.5238095 = -34.045011448 x = -34.045011448 Simplifying x = -34.045011448

Solution

The solution to the problem is based on the solutions from the subproblems. x = {205.092630448, -34.045011448}

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