9x^2+54x+14=0

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Solution for 9x^2+54x+14=0 equation:


Simplifying
9x2 + 54x + 14 = 0

Reorder the terms:
14 + 54x + 9x2 = 0

Solving
14 + 54x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
1.555555556 + 6x + x2 = 0

Move the constant term to the right:

Add '-1.555555556' to each side of the equation.
1.555555556 + 6x + -1.555555556 + x2 = 0 + -1.555555556

Reorder the terms:
1.555555556 + -1.555555556 + 6x + x2 = 0 + -1.555555556

Combine like terms: 1.555555556 + -1.555555556 = 0.000000000
0.000000000 + 6x + x2 = 0 + -1.555555556
6x + x2 = 0 + -1.555555556

Combine like terms: 0 + -1.555555556 = -1.555555556
6x + x2 = -1.555555556

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -1.555555556 + 9

Reorder the terms:
9 + 6x + x2 = -1.555555556 + 9

Combine like terms: -1.555555556 + 9 = 7.444444444
9 + 6x + x2 = 7.444444444

Factor a perfect square on the left side:
(x + 3)(x + 3) = 7.444444444

Calculate the square root of the right side: 2.728450924

Break this problem into two subproblems by setting 
(x + 3) equal to 2.728450924 and -2.728450924.

Subproblem 1

x + 3 = 2.728450924 Simplifying x + 3 = 2.728450924 Reorder the terms: 3 + x = 2.728450924 Solving 3 + x = 2.728450924 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 2.728450924 + -3 Combine like terms: 3 + -3 = 0 0 + x = 2.728450924 + -3 x = 2.728450924 + -3 Combine like terms: 2.728450924 + -3 = -0.271549076 x = -0.271549076 Simplifying x = -0.271549076

Subproblem 2

x + 3 = -2.728450924 Simplifying x + 3 = -2.728450924 Reorder the terms: 3 + x = -2.728450924 Solving 3 + x = -2.728450924 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -2.728450924 + -3 Combine like terms: 3 + -3 = 0 0 + x = -2.728450924 + -3 x = -2.728450924 + -3 Combine like terms: -2.728450924 + -3 = -5.728450924 x = -5.728450924 Simplifying x = -5.728450924

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.271549076, -5.728450924}

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