14x^2-13x-52=0

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Solution for 14x^2-13x-52=0 equation:


Simplifying
14x2 + -13x + -52 = 0

Reorder the terms:
-52 + -13x + 14x2 = 0

Solving
-52 + -13x + 14x2 = 0

Solving for variable 'x'.

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

Divide each side by '14'.
-3.714285714 + -0.9285714286x + x2 = 0

Move the constant term to the right:

Add '3.714285714' to each side of the equation.
-3.714285714 + -0.9285714286x + 3.714285714 + x2 = 0 + 3.714285714

Reorder the terms:
-3.714285714 + 3.714285714 + -0.9285714286x + x2 = 0 + 3.714285714

Combine like terms: -3.714285714 + 3.714285714 = 0.000000000
0.000000000 + -0.9285714286x + x2 = 0 + 3.714285714
-0.9285714286x + x2 = 0 + 3.714285714

Combine like terms: 0 + 3.714285714 = 3.714285714
-0.9285714286x + x2 = 3.714285714

The x term is -0.9285714286x.  Take half its coefficient (-0.4642857143).
Square it (0.2155612245) and add it to both sides.

Add '0.2155612245' to each side of the equation.
-0.9285714286x + 0.2155612245 + x2 = 3.714285714 + 0.2155612245

Reorder the terms:
0.2155612245 + -0.9285714286x + x2 = 3.714285714 + 0.2155612245

Combine like terms: 3.714285714 + 0.2155612245 = 3.9298469385
0.2155612245 + -0.9285714286x + x2 = 3.9298469385

Factor a perfect square on the left side:
(x + -0.4642857143)(x + -0.4642857143) = 3.9298469385

Calculate the square root of the right side: 1.982384155

Break this problem into two subproblems by setting 
(x + -0.4642857143) equal to 1.982384155 and -1.982384155.

Subproblem 1

x + -0.4642857143 = 1.982384155 Simplifying x + -0.4642857143 = 1.982384155 Reorder the terms: -0.4642857143 + x = 1.982384155 Solving -0.4642857143 + x = 1.982384155 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4642857143' to each side of the equation. -0.4642857143 + 0.4642857143 + x = 1.982384155 + 0.4642857143 Combine like terms: -0.4642857143 + 0.4642857143 = 0.0000000000 0.0000000000 + x = 1.982384155 + 0.4642857143 x = 1.982384155 + 0.4642857143 Combine like terms: 1.982384155 + 0.4642857143 = 2.4466698693 x = 2.4466698693 Simplifying x = 2.4466698693

Subproblem 2

x + -0.4642857143 = -1.982384155 Simplifying x + -0.4642857143 = -1.982384155 Reorder the terms: -0.4642857143 + x = -1.982384155 Solving -0.4642857143 + x = -1.982384155 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4642857143' to each side of the equation. -0.4642857143 + 0.4642857143 + x = -1.982384155 + 0.4642857143 Combine like terms: -0.4642857143 + 0.4642857143 = 0.0000000000 0.0000000000 + x = -1.982384155 + 0.4642857143 x = -1.982384155 + 0.4642857143 Combine like terms: -1.982384155 + 0.4642857143 = -1.5180984407 x = -1.5180984407 Simplifying x = -1.5180984407

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.4466698693, -1.5180984407}

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