0=3x^2-50x-154

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Solution for 0=3x^2-50x-154 equation:


Simplifying
0 = 3x2 + -50x + -154

Reorder the terms:
0 = -154 + -50x + 3x2

Solving
0 = -154 + -50x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + 154 = 154
154 + 50x + -3x2 = -154 + -50x + 3x2 + 154 + 50x + -3x2

Reorder the terms:
154 + 50x + -3x2 = -154 + 154 + -50x + 50x + 3x2 + -3x2

Combine like terms: -154 + 154 = 0
154 + 50x + -3x2 = 0 + -50x + 50x + 3x2 + -3x2
154 + 50x + -3x2 = -50x + 50x + 3x2 + -3x2

Combine like terms: -50x + 50x = 0
154 + 50x + -3x2 = 0 + 3x2 + -3x2
154 + 50x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
154 + 50x + -3x2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-51.33333333 + -16.66666667x + x2 = 0

Move the constant term to the right:

Add '51.33333333' to each side of the equation.
-51.33333333 + -16.66666667x + 51.33333333 + x2 = 0 + 51.33333333

Reorder the terms:
-51.33333333 + 51.33333333 + -16.66666667x + x2 = 0 + 51.33333333

Combine like terms: -51.33333333 + 51.33333333 = 0.00000000
0.00000000 + -16.66666667x + x2 = 0 + 51.33333333
-16.66666667x + x2 = 0 + 51.33333333

Combine like terms: 0 + 51.33333333 = 51.33333333
-16.66666667x + x2 = 51.33333333

The x term is -16.66666667x.  Take half its coefficient (-8.333333335).
Square it (69.44444447) and add it to both sides.

Add '69.44444447' to each side of the equation.
-16.66666667x + 69.44444447 + x2 = 51.33333333 + 69.44444447

Reorder the terms:
69.44444447 + -16.66666667x + x2 = 51.33333333 + 69.44444447

Combine like terms: 51.33333333 + 69.44444447 = 120.7777778
69.44444447 + -16.66666667x + x2 = 120.7777778

Factor a perfect square on the left side:
(x + -8.333333335)(x + -8.333333335) = 120.7777778

Calculate the square root of the right side: 10.989894349

Break this problem into two subproblems by setting 
(x + -8.333333335) equal to 10.989894349 and -10.989894349.

Subproblem 1

x + -8.333333335 = 10.989894349 Simplifying x + -8.333333335 = 10.989894349 Reorder the terms: -8.333333335 + x = 10.989894349 Solving -8.333333335 + x = 10.989894349 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.333333335' to each side of the equation. -8.333333335 + 8.333333335 + x = 10.989894349 + 8.333333335 Combine like terms: -8.333333335 + 8.333333335 = 0.000000000 0.000000000 + x = 10.989894349 + 8.333333335 x = 10.989894349 + 8.333333335 Combine like terms: 10.989894349 + 8.333333335 = 19.323227684 x = 19.323227684 Simplifying x = 19.323227684

Subproblem 2

x + -8.333333335 = -10.989894349 Simplifying x + -8.333333335 = -10.989894349 Reorder the terms: -8.333333335 + x = -10.989894349 Solving -8.333333335 + x = -10.989894349 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.333333335' to each side of the equation. -8.333333335 + 8.333333335 + x = -10.989894349 + 8.333333335 Combine like terms: -8.333333335 + 8.333333335 = 0.000000000 0.000000000 + x = -10.989894349 + 8.333333335 x = -10.989894349 + 8.333333335 Combine like terms: -10.989894349 + 8.333333335 = -2.656561014 x = -2.656561014 Simplifying x = -2.656561014

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.323227684, -2.656561014}

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