3x^2+54x+233=0

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Solution for 3x^2+54x+233=0 equation:


Simplifying
3x2 + 54x + 233 = 0

Reorder the terms:
233 + 54x + 3x2 = 0

Solving
233 + 54x + 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'.
77.66666667 + 18x + x2 = 0

Move the constant term to the right:

Add '-77.66666667' to each side of the equation.
77.66666667 + 18x + -77.66666667 + x2 = 0 + -77.66666667

Reorder the terms:
77.66666667 + -77.66666667 + 18x + x2 = 0 + -77.66666667

Combine like terms: 77.66666667 + -77.66666667 = 0.00000000
0.00000000 + 18x + x2 = 0 + -77.66666667
18x + x2 = 0 + -77.66666667

Combine like terms: 0 + -77.66666667 = -77.66666667
18x + x2 = -77.66666667

The x term is 18x.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18x + 81 + x2 = -77.66666667 + 81

Reorder the terms:
81 + 18x + x2 = -77.66666667 + 81

Combine like terms: -77.66666667 + 81 = 3.33333333
81 + 18x + x2 = 3.33333333

Factor a perfect square on the left side:
(x + 9)(x + 9) = 3.33333333

Calculate the square root of the right side: 1.825741857

Break this problem into two subproblems by setting 
(x + 9) equal to 1.825741857 and -1.825741857.

Subproblem 1

x + 9 = 1.825741857 Simplifying x + 9 = 1.825741857 Reorder the terms: 9 + x = 1.825741857 Solving 9 + x = 1.825741857 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 1.825741857 + -9 Combine like terms: 9 + -9 = 0 0 + x = 1.825741857 + -9 x = 1.825741857 + -9 Combine like terms: 1.825741857 + -9 = -7.174258143 x = -7.174258143 Simplifying x = -7.174258143

Subproblem 2

x + 9 = -1.825741857 Simplifying x + 9 = -1.825741857 Reorder the terms: 9 + x = -1.825741857 Solving 9 + x = -1.825741857 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = -1.825741857 + -9 Combine like terms: 9 + -9 = 0 0 + x = -1.825741857 + -9 x = -1.825741857 + -9 Combine like terms: -1.825741857 + -9 = -10.825741857 x = -10.825741857 Simplifying x = -10.825741857

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-7.174258143, -10.825741857}

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