6x^2-73x-63=0

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Solution for 6x^2-73x-63=0 equation:


Simplifying
6x2 + -73x + -63 = 0

Reorder the terms:
-63 + -73x + 6x2 = 0

Solving
-63 + -73x + 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'.
-10.5 + -12.16666667x + x2 = 0

Move the constant term to the right:

Add '10.5' to each side of the equation.
-10.5 + -12.16666667x + 10.5 + x2 = 0 + 10.5

Reorder the terms:
-10.5 + 10.5 + -12.16666667x + x2 = 0 + 10.5

Combine like terms: -10.5 + 10.5 = 0.0
0.0 + -12.16666667x + x2 = 0 + 10.5
-12.16666667x + x2 = 0 + 10.5

Combine like terms: 0 + 10.5 = 10.5
-12.16666667x + x2 = 10.5

The x term is -12.16666667x.  Take half its coefficient (-6.083333335).
Square it (37.00694446) and add it to both sides.

Add '37.00694446' to each side of the equation.
-12.16666667x + 37.00694446 + x2 = 10.5 + 37.00694446

Reorder the terms:
37.00694446 + -12.16666667x + x2 = 10.5 + 37.00694446

Combine like terms: 10.5 + 37.00694446 = 47.50694446
37.00694446 + -12.16666667x + x2 = 47.50694446

Factor a perfect square on the left side:
(x + -6.083333335)(x + -6.083333335) = 47.50694446

Calculate the square root of the right side: 6.892528162

Break this problem into two subproblems by setting 
(x + -6.083333335) equal to 6.892528162 and -6.892528162.

Subproblem 1

x + -6.083333335 = 6.892528162 Simplifying x + -6.083333335 = 6.892528162 Reorder the terms: -6.083333335 + x = 6.892528162 Solving -6.083333335 + x = 6.892528162 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.083333335' to each side of the equation. -6.083333335 + 6.083333335 + x = 6.892528162 + 6.083333335 Combine like terms: -6.083333335 + 6.083333335 = 0.000000000 0.000000000 + x = 6.892528162 + 6.083333335 x = 6.892528162 + 6.083333335 Combine like terms: 6.892528162 + 6.083333335 = 12.975861497 x = 12.975861497 Simplifying x = 12.975861497

Subproblem 2

x + -6.083333335 = -6.892528162 Simplifying x + -6.083333335 = -6.892528162 Reorder the terms: -6.083333335 + x = -6.892528162 Solving -6.083333335 + x = -6.892528162 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.083333335' to each side of the equation. -6.083333335 + 6.083333335 + x = -6.892528162 + 6.083333335 Combine like terms: -6.083333335 + 6.083333335 = 0.000000000 0.000000000 + x = -6.892528162 + 6.083333335 x = -6.892528162 + 6.083333335 Combine like terms: -6.892528162 + 6.083333335 = -0.809194827 x = -0.809194827 Simplifying x = -0.809194827

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.975861497, -0.809194827}

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