-3x^2+340x+16200=0

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Solution for -3x^2+340x+16200=0 equation:


Simplifying
-3x2 + 340x + 16200 = 0

Reorder the terms:
16200 + 340x + -3x2 = 0

Solving
16200 + 340x + -3x2 = 0

Solving for variable 'x'.

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

Divide each side by '-3'.
-5400 + -113.3333333x + x2 = 0

Move the constant term to the right:

Add '5400' to each side of the equation.
-5400 + -113.3333333x + 5400 + x2 = 0 + 5400

Reorder the terms:
-5400 + 5400 + -113.3333333x + x2 = 0 + 5400

Combine like terms: -5400 + 5400 = 0
0 + -113.3333333x + x2 = 0 + 5400
-113.3333333x + x2 = 0 + 5400

Combine like terms: 0 + 5400 = 5400
-113.3333333x + x2 = 5400

The x term is -113.3333333x.  Take half its coefficient (-56.66666665).
Square it (3211.111109) and add it to both sides.

Add '3211.111109' to each side of the equation.
-113.3333333x + 3211.111109 + x2 = 5400 + 3211.111109

Reorder the terms:
3211.111109 + -113.3333333x + x2 = 5400 + 3211.111109

Combine like terms: 5400 + 3211.111109 = 8611.111109
3211.111109 + -113.3333333x + x2 = 8611.111109

Factor a perfect square on the left side:
(x + -56.66666665)(x + -56.66666665) = 8611.111109

Calculate the square root of the right side: 92.796072702

Break this problem into two subproblems by setting 
(x + -56.66666665) equal to 92.796072702 and -92.796072702.

Subproblem 1

x + -56.66666665 = 92.796072702 Simplifying x + -56.66666665 = 92.796072702 Reorder the terms: -56.66666665 + x = 92.796072702 Solving -56.66666665 + x = 92.796072702 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '56.66666665' to each side of the equation. -56.66666665 + 56.66666665 + x = 92.796072702 + 56.66666665 Combine like terms: -56.66666665 + 56.66666665 = 0.00000000 0.00000000 + x = 92.796072702 + 56.66666665 x = 92.796072702 + 56.66666665 Combine like terms: 92.796072702 + 56.66666665 = 149.462739352 x = 149.462739352 Simplifying x = 149.462739352

Subproblem 2

x + -56.66666665 = -92.796072702 Simplifying x + -56.66666665 = -92.796072702 Reorder the terms: -56.66666665 + x = -92.796072702 Solving -56.66666665 + x = -92.796072702 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '56.66666665' to each side of the equation. -56.66666665 + 56.66666665 + x = -92.796072702 + 56.66666665 Combine like terms: -56.66666665 + 56.66666665 = 0.00000000 0.00000000 + x = -92.796072702 + 56.66666665 x = -92.796072702 + 56.66666665 Combine like terms: -92.796072702 + 56.66666665 = -36.129406052 x = -36.129406052 Simplifying x = -36.129406052

Solution

The solution to the problem is based on the solutions from the subproblems. x = {149.462739352, -36.129406052}

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