x^2-37x-19=0

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Solution for x^2-37x-19=0 equation:


Simplifying
x2 + -37x + -19 = 0

Reorder the terms:
-19 + -37x + x2 = 0

Solving
-19 + -37x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '19' to each side of the equation.
-19 + -37x + 19 + x2 = 0 + 19

Reorder the terms:
-19 + 19 + -37x + x2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + -37x + x2 = 0 + 19
-37x + x2 = 0 + 19

Combine like terms: 0 + 19 = 19
-37x + x2 = 19

The x term is -37x.  Take half its coefficient (-18.5).
Square it (342.25) and add it to both sides.

Add '342.25' to each side of the equation.
-37x + 342.25 + x2 = 19 + 342.25

Reorder the terms:
342.25 + -37x + x2 = 19 + 342.25

Combine like terms: 19 + 342.25 = 361.25
342.25 + -37x + x2 = 361.25

Factor a perfect square on the left side:
(x + -18.5)(x + -18.5) = 361.25

Calculate the square root of the right side: 19.006577809

Break this problem into two subproblems by setting 
(x + -18.5) equal to 19.006577809 and -19.006577809.

Subproblem 1

x + -18.5 = 19.006577809 Simplifying x + -18.5 = 19.006577809 Reorder the terms: -18.5 + x = 19.006577809 Solving -18.5 + x = 19.006577809 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18.5' to each side of the equation. -18.5 + 18.5 + x = 19.006577809 + 18.5 Combine like terms: -18.5 + 18.5 = 0.0 0.0 + x = 19.006577809 + 18.5 x = 19.006577809 + 18.5 Combine like terms: 19.006577809 + 18.5 = 37.506577809 x = 37.506577809 Simplifying x = 37.506577809

Subproblem 2

x + -18.5 = -19.006577809 Simplifying x + -18.5 = -19.006577809 Reorder the terms: -18.5 + x = -19.006577809 Solving -18.5 + x = -19.006577809 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18.5' to each side of the equation. -18.5 + 18.5 + x = -19.006577809 + 18.5 Combine like terms: -18.5 + 18.5 = 0.0 0.0 + x = -19.006577809 + 18.5 x = -19.006577809 + 18.5 Combine like terms: -19.006577809 + 18.5 = -0.506577809 x = -0.506577809 Simplifying x = -0.506577809

Solution

The solution to the problem is based on the solutions from the subproblems. x = {37.506577809, -0.506577809}

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