6x^2-9x-293=0

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Solution for 6x^2-9x-293=0 equation:


Simplifying
6x2 + -9x + -293 = 0

Reorder the terms:
-293 + -9x + 6x2 = 0

Solving
-293 + -9x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
-48.83333333 + -1.5x + x2 = 0

Move the constant term to the right:

Add '48.83333333' to each side of the equation.
-48.83333333 + -1.5x + 48.83333333 + x2 = 0 + 48.83333333

Reorder the terms:
-48.83333333 + 48.83333333 + -1.5x + x2 = 0 + 48.83333333

Combine like terms: -48.83333333 + 48.83333333 = 0.00000000
0.00000000 + -1.5x + x2 = 0 + 48.83333333
-1.5x + x2 = 0 + 48.83333333

Combine like terms: 0 + 48.83333333 = 48.83333333
-1.5x + x2 = 48.83333333

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 = 48.83333333 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = 48.83333333 + 0.5625

Combine like terms: 48.83333333 + 0.5625 = 49.39583333
0.5625 + -1.5x + x2 = 49.39583333

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 49.39583333

Calculate the square root of the right side: 7.028216938

Break this problem into two subproblems by setting 
(x + -0.75) equal to 7.028216938 and -7.028216938.

Subproblem 1

x + -0.75 = 7.028216938 Simplifying x + -0.75 = 7.028216938 Reorder the terms: -0.75 + x = 7.028216938 Solving -0.75 + x = 7.028216938 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 = 7.028216938 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 7.028216938 + 0.75 x = 7.028216938 + 0.75 Combine like terms: 7.028216938 + 0.75 = 7.778216938 x = 7.778216938 Simplifying x = 7.778216938

Subproblem 2

x + -0.75 = -7.028216938 Simplifying x + -0.75 = -7.028216938 Reorder the terms: -0.75 + x = -7.028216938 Solving -0.75 + x = -7.028216938 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 = -7.028216938 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -7.028216938 + 0.75 x = -7.028216938 + 0.75 Combine like terms: -7.028216938 + 0.75 = -6.278216938 x = -6.278216938 Simplifying x = -6.278216938

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.778216938, -6.278216938}

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