4x^2-19x-52=0

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Solution for 4x^2-19x-52=0 equation:


Simplifying
4x2 + -19x + -52 = 0

Reorder the terms:
-52 + -19x + 4x2 = 0

Solving
-52 + -19x + 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'.
-13 + -4.75x + x2 = 0

Move the constant term to the right:

Add '13' to each side of the equation.
-13 + -4.75x + 13 + x2 = 0 + 13

Reorder the terms:
-13 + 13 + -4.75x + x2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -4.75x + x2 = 0 + 13
-4.75x + x2 = 0 + 13

Combine like terms: 0 + 13 = 13
-4.75x + x2 = 13

The x term is -4.75x.  Take half its coefficient (-2.375).
Square it (5.640625) and add it to both sides.

Add '5.640625' to each side of the equation.
-4.75x + 5.640625 + x2 = 13 + 5.640625

Reorder the terms:
5.640625 + -4.75x + x2 = 13 + 5.640625

Combine like terms: 13 + 5.640625 = 18.640625
5.640625 + -4.75x + x2 = 18.640625

Factor a perfect square on the left side:
(x + -2.375)(x + -2.375) = 18.640625

Calculate the square root of the right side: 4.31747901

Break this problem into two subproblems by setting 
(x + -2.375) equal to 4.31747901 and -4.31747901.

Subproblem 1

x + -2.375 = 4.31747901 Simplifying x + -2.375 = 4.31747901 Reorder the terms: -2.375 + x = 4.31747901 Solving -2.375 + x = 4.31747901 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.375' to each side of the equation. -2.375 + 2.375 + x = 4.31747901 + 2.375 Combine like terms: -2.375 + 2.375 = 0.000 0.000 + x = 4.31747901 + 2.375 x = 4.31747901 + 2.375 Combine like terms: 4.31747901 + 2.375 = 6.69247901 x = 6.69247901 Simplifying x = 6.69247901

Subproblem 2

x + -2.375 = -4.31747901 Simplifying x + -2.375 = -4.31747901 Reorder the terms: -2.375 + x = -4.31747901 Solving -2.375 + x = -4.31747901 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.375' to each side of the equation. -2.375 + 2.375 + x = -4.31747901 + 2.375 Combine like terms: -2.375 + 2.375 = 0.000 0.000 + x = -4.31747901 + 2.375 x = -4.31747901 + 2.375 Combine like terms: -4.31747901 + 2.375 = -1.94247901 x = -1.94247901 Simplifying x = -1.94247901

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.69247901, -1.94247901}

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