5x^2-23x-50=0

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Solution for 5x^2-23x-50=0 equation:


Simplifying
5x2 + -23x + -50 = 0

Reorder the terms:
-50 + -23x + 5x2 = 0

Solving
-50 + -23x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-10 + -4.6x + x2 = 0

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -4.6x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + -4.6x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -4.6x + x2 = 0 + 10
-4.6x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
-4.6x + x2 = 10

The x term is -4.6x.  Take half its coefficient (-2.3).
Square it (5.29) and add it to both sides.

Add '5.29' to each side of the equation.
-4.6x + 5.29 + x2 = 10 + 5.29

Reorder the terms:
5.29 + -4.6x + x2 = 10 + 5.29

Combine like terms: 10 + 5.29 = 15.29
5.29 + -4.6x + x2 = 15.29

Factor a perfect square on the left side:
(x + -2.3)(x + -2.3) = 15.29

Calculate the square root of the right side: 3.910242959

Break this problem into two subproblems by setting 
(x + -2.3) equal to 3.910242959 and -3.910242959.

Subproblem 1

x + -2.3 = 3.910242959 Simplifying x + -2.3 = 3.910242959 Reorder the terms: -2.3 + x = 3.910242959 Solving -2.3 + x = 3.910242959 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.3' to each side of the equation. -2.3 + 2.3 + x = 3.910242959 + 2.3 Combine like terms: -2.3 + 2.3 = 0.0 0.0 + x = 3.910242959 + 2.3 x = 3.910242959 + 2.3 Combine like terms: 3.910242959 + 2.3 = 6.210242959 x = 6.210242959 Simplifying x = 6.210242959

Subproblem 2

x + -2.3 = -3.910242959 Simplifying x + -2.3 = -3.910242959 Reorder the terms: -2.3 + x = -3.910242959 Solving -2.3 + x = -3.910242959 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.3' to each side of the equation. -2.3 + 2.3 + x = -3.910242959 + 2.3 Combine like terms: -2.3 + 2.3 = 0.0 0.0 + x = -3.910242959 + 2.3 x = -3.910242959 + 2.3 Combine like terms: -3.910242959 + 2.3 = -1.610242959 x = -1.610242959 Simplifying x = -1.610242959

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.210242959, -1.610242959}

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