32x^2-5x-12=0

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Solution for 32x^2-5x-12=0 equation:


Simplifying
32x2 + -5x + -12 = 0

Reorder the terms:
-12 + -5x + 32x2 = 0

Solving
-12 + -5x + 32x2 = 0

Solving for variable 'x'.

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

Divide each side by '32'.
-0.375 + -0.15625x + x2 = 0

Move the constant term to the right:

Add '0.375' to each side of the equation.
-0.375 + -0.15625x + 0.375 + x2 = 0 + 0.375

Reorder the terms:
-0.375 + 0.375 + -0.15625x + x2 = 0 + 0.375

Combine like terms: -0.375 + 0.375 = 0.000
0.000 + -0.15625x + x2 = 0 + 0.375
-0.15625x + x2 = 0 + 0.375

Combine like terms: 0 + 0.375 = 0.375
-0.15625x + x2 = 0.375

The x term is -0.15625x.  Take half its coefficient (-0.078125).
Square it (0.006103515625) and add it to both sides.

Add '0.006103515625' to each side of the equation.
-0.15625x + 0.006103515625 + x2 = 0.375 + 0.006103515625

Reorder the terms:
0.006103515625 + -0.15625x + x2 = 0.375 + 0.006103515625

Combine like terms: 0.375 + 0.006103515625 = 0.381103515625
0.006103515625 + -0.15625x + x2 = 0.381103515625

Factor a perfect square on the left side:
(x + -0.078125)(x + -0.078125) = 0.381103515625

Calculate the square root of the right side: 0.617335821

Break this problem into two subproblems by setting 
(x + -0.078125) equal to 0.617335821 and -0.617335821.

Subproblem 1

x + -0.078125 = 0.617335821 Simplifying x + -0.078125 = 0.617335821 Reorder the terms: -0.078125 + x = 0.617335821 Solving -0.078125 + x = 0.617335821 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.078125' to each side of the equation. -0.078125 + 0.078125 + x = 0.617335821 + 0.078125 Combine like terms: -0.078125 + 0.078125 = 0.000000 0.000000 + x = 0.617335821 + 0.078125 x = 0.617335821 + 0.078125 Combine like terms: 0.617335821 + 0.078125 = 0.695460821 x = 0.695460821 Simplifying x = 0.695460821

Subproblem 2

x + -0.078125 = -0.617335821 Simplifying x + -0.078125 = -0.617335821 Reorder the terms: -0.078125 + x = -0.617335821 Solving -0.078125 + x = -0.617335821 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.078125' to each side of the equation. -0.078125 + 0.078125 + x = -0.617335821 + 0.078125 Combine like terms: -0.078125 + 0.078125 = 0.000000 0.000000 + x = -0.617335821 + 0.078125 x = -0.617335821 + 0.078125 Combine like terms: -0.617335821 + 0.078125 = -0.539210821 x = -0.539210821 Simplifying x = -0.539210821

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.695460821, -0.539210821}

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