2.515x^2=21.044x-3.837

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Solution for 2.515x^2=21.044x-3.837 equation:


Simplifying
2.515x2 = 21.044x + -3.837

Reorder the terms:
2.515x2 = -3.837 + 21.044x

Solving
2.515x2 = -3.837 + 21.044x

Solving for variable 'x'.

Reorder the terms:
3.837 + -21.044x + 2.515x2 = -3.837 + 21.044x + 3.837 + -21.044x

Reorder the terms:
3.837 + -21.044x + 2.515x2 = -3.837 + 3.837 + 21.044x + -21.044x

Combine like terms: -3.837 + 3.837 = 0.000
3.837 + -21.044x + 2.515x2 = 0.000 + 21.044x + -21.044x
3.837 + -21.044x + 2.515x2 = 21.044x + -21.044x

Combine like terms: 21.044x + -21.044x = 0.000
3.837 + -21.044x + 2.515x2 = 0.000

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

Divide each side by '2.515'.
1.525646123 + -8.367395626x + x2 = 0

Move the constant term to the right:

Add '-1.525646123' to each side of the equation.
1.525646123 + -8.367395626x + -1.525646123 + x2 = 0 + -1.525646123

Reorder the terms:
1.525646123 + -1.525646123 + -8.367395626x + x2 = 0 + -1.525646123

Combine like terms: 1.525646123 + -1.525646123 = 0.000000000
0.000000000 + -8.367395626x + x2 = 0 + -1.525646123
-8.367395626x + x2 = 0 + -1.525646123

Combine like terms: 0 + -1.525646123 = -1.525646123
-8.367395626x + x2 = -1.525646123

The x term is -8.367395626x.  Take half its coefficient (-4.183697813).
Square it (17.50332739) and add it to both sides.

Add '17.50332739' to each side of the equation.
-8.367395626x + 17.50332739 + x2 = -1.525646123 + 17.50332739

Reorder the terms:
17.50332739 + -8.367395626x + x2 = -1.525646123 + 17.50332739

Combine like terms: -1.525646123 + 17.50332739 = 15.977681267
17.50332739 + -8.367395626x + x2 = 15.977681267

Factor a perfect square on the left side:
(x + -4.183697813)(x + -4.183697813) = 15.977681267

Calculate the square root of the right side: 3.997209185

Break this problem into two subproblems by setting 
(x + -4.183697813) equal to 3.997209185 and -3.997209185.

Subproblem 1

x + -4.183697813 = 3.997209185 Simplifying x + -4.183697813 = 3.997209185 Reorder the terms: -4.183697813 + x = 3.997209185 Solving -4.183697813 + x = 3.997209185 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.183697813' to each side of the equation. -4.183697813 + 4.183697813 + x = 3.997209185 + 4.183697813 Combine like terms: -4.183697813 + 4.183697813 = 0.000000000 0.000000000 + x = 3.997209185 + 4.183697813 x = 3.997209185 + 4.183697813 Combine like terms: 3.997209185 + 4.183697813 = 8.180906998 x = 8.180906998 Simplifying x = 8.180906998

Subproblem 2

x + -4.183697813 = -3.997209185 Simplifying x + -4.183697813 = -3.997209185 Reorder the terms: -4.183697813 + x = -3.997209185 Solving -4.183697813 + x = -3.997209185 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.183697813' to each side of the equation. -4.183697813 + 4.183697813 + x = -3.997209185 + 4.183697813 Combine like terms: -4.183697813 + 4.183697813 = 0.000000000 0.000000000 + x = -3.997209185 + 4.183697813 x = -3.997209185 + 4.183697813 Combine like terms: -3.997209185 + 4.183697813 = 0.186488628 x = 0.186488628 Simplifying x = 0.186488628

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.180906998, 0.186488628}

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