50x^2-75x-1=0

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Solution for 50x^2-75x-1=0 equation:


Simplifying
50x2 + -75x + -1 = 0

Reorder the terms:
-1 + -75x + 50x2 = 0

Solving
-1 + -75x + 50x2 = 0

Solving for variable 'x'.

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

Divide each side by '50'.
-0.02 + -1.5x + x2 = 0

Move the constant term to the right:

Add '0.02' to each side of the equation.
-0.02 + -1.5x + 0.02 + x2 = 0 + 0.02

Reorder the terms:
-0.02 + 0.02 + -1.5x + x2 = 0 + 0.02

Combine like terms: -0.02 + 0.02 = 0.00
0.00 + -1.5x + x2 = 0 + 0.02
-1.5x + x2 = 0 + 0.02

Combine like terms: 0 + 0.02 = 0.02
-1.5x + x2 = 0.02

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = 0.02 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = 0.02 + 0.5625

Combine like terms: 0.02 + 0.5625 = 0.5825
0.5625 + -1.5x + x2 = 0.5825

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 0.5825

Calculate the square root of the right side: 0.763216876

Break this problem into two subproblems by setting 
(x + -0.75) equal to 0.763216876 and -0.763216876.

Subproblem 1

x + -0.75 = 0.763216876 Simplifying x + -0.75 = 0.763216876 Reorder the terms: -0.75 + x = 0.763216876 Solving -0.75 + x = 0.763216876 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 0.763216876 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 0.763216876 + 0.75 x = 0.763216876 + 0.75 Combine like terms: 0.763216876 + 0.75 = 1.513216876 x = 1.513216876 Simplifying x = 1.513216876

Subproblem 2

x + -0.75 = -0.763216876 Simplifying x + -0.75 = -0.763216876 Reorder the terms: -0.75 + x = -0.763216876 Solving -0.75 + x = -0.763216876 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -0.763216876 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -0.763216876 + 0.75 x = -0.763216876 + 0.75 Combine like terms: -0.763216876 + 0.75 = -0.013216876 x = -0.013216876 Simplifying x = -0.013216876

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.513216876, -0.013216876}

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