4x^2-23x-500=0

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Solution for 4x^2-23x-500=0 equation:


Simplifying
4x2 + -23x + -500 = 0

Reorder the terms:
-500 + -23x + 4x2 = 0

Solving
-500 + -23x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-125 + -5.75x + x2 = 0

Move the constant term to the right:

Add '125' to each side of the equation.
-125 + -5.75x + 125 + x2 = 0 + 125

Reorder the terms:
-125 + 125 + -5.75x + x2 = 0 + 125

Combine like terms: -125 + 125 = 0
0 + -5.75x + x2 = 0 + 125
-5.75x + x2 = 0 + 125

Combine like terms: 0 + 125 = 125
-5.75x + x2 = 125

The x term is -5.75x.  Take half its coefficient (-2.875).
Square it (8.265625) and add it to both sides.

Add '8.265625' to each side of the equation.
-5.75x + 8.265625 + x2 = 125 + 8.265625

Reorder the terms:
8.265625 + -5.75x + x2 = 125 + 8.265625

Combine like terms: 125 + 8.265625 = 133.265625
8.265625 + -5.75x + x2 = 133.265625

Factor a perfect square on the left side:
(x + -2.875)(x + -2.875) = 133.265625

Calculate the square root of the right side: 11.544073155

Break this problem into two subproblems by setting 
(x + -2.875) equal to 11.544073155 and -11.544073155.

Subproblem 1

x + -2.875 = 11.544073155 Simplifying x + -2.875 = 11.544073155 Reorder the terms: -2.875 + x = 11.544073155 Solving -2.875 + x = 11.544073155 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = 11.544073155 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = 11.544073155 + 2.875 x = 11.544073155 + 2.875 Combine like terms: 11.544073155 + 2.875 = 14.419073155 x = 14.419073155 Simplifying x = 14.419073155

Subproblem 2

x + -2.875 = -11.544073155 Simplifying x + -2.875 = -11.544073155 Reorder the terms: -2.875 + x = -11.544073155 Solving -2.875 + x = -11.544073155 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = -11.544073155 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = -11.544073155 + 2.875 x = -11.544073155 + 2.875 Combine like terms: -11.544073155 + 2.875 = -8.669073155 x = -8.669073155 Simplifying x = -8.669073155

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.419073155, -8.669073155}

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