11x^2+67x+14=0

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Solution for 11x^2+67x+14=0 equation:


Simplifying
11x2 + 67x + 14 = 0

Reorder the terms:
14 + 67x + 11x2 = 0

Solving
14 + 67x + 11x2 = 0

Solving for variable 'x'.

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

Divide each side by '11'.
1.272727273 + 6.090909091x + x2 = 0

Move the constant term to the right:

Add '-1.272727273' to each side of the equation.
1.272727273 + 6.090909091x + -1.272727273 + x2 = 0 + -1.272727273

Reorder the terms:
1.272727273 + -1.272727273 + 6.090909091x + x2 = 0 + -1.272727273

Combine like terms: 1.272727273 + -1.272727273 = 0.000000000
0.000000000 + 6.090909091x + x2 = 0 + -1.272727273
6.090909091x + x2 = 0 + -1.272727273

Combine like terms: 0 + -1.272727273 = -1.272727273
6.090909091x + x2 = -1.272727273

The x term is 6.090909091x.  Take half its coefficient (3.045454546).
Square it (9.274793392) and add it to both sides.

Add '9.274793392' to each side of the equation.
6.090909091x + 9.274793392 + x2 = -1.272727273 + 9.274793392

Reorder the terms:
9.274793392 + 6.090909091x + x2 = -1.272727273 + 9.274793392

Combine like terms: -1.272727273 + 9.274793392 = 8.002066119
9.274793392 + 6.090909091x + x2 = 8.002066119

Factor a perfect square on the left side:
(x + 3.045454546)(x + 3.045454546) = 8.002066119

Calculate the square root of the right side: 2.828792343

Break this problem into two subproblems by setting 
(x + 3.045454546) equal to 2.828792343 and -2.828792343.

Subproblem 1

x + 3.045454546 = 2.828792343 Simplifying x + 3.045454546 = 2.828792343 Reorder the terms: 3.045454546 + x = 2.828792343 Solving 3.045454546 + x = 2.828792343 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.045454546' to each side of the equation. 3.045454546 + -3.045454546 + x = 2.828792343 + -3.045454546 Combine like terms: 3.045454546 + -3.045454546 = 0.000000000 0.000000000 + x = 2.828792343 + -3.045454546 x = 2.828792343 + -3.045454546 Combine like terms: 2.828792343 + -3.045454546 = -0.216662203 x = -0.216662203 Simplifying x = -0.216662203

Subproblem 2

x + 3.045454546 = -2.828792343 Simplifying x + 3.045454546 = -2.828792343 Reorder the terms: 3.045454546 + x = -2.828792343 Solving 3.045454546 + x = -2.828792343 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.045454546' to each side of the equation. 3.045454546 + -3.045454546 + x = -2.828792343 + -3.045454546 Combine like terms: 3.045454546 + -3.045454546 = 0.000000000 0.000000000 + x = -2.828792343 + -3.045454546 x = -2.828792343 + -3.045454546 Combine like terms: -2.828792343 + -3.045454546 = -5.874246889 x = -5.874246889 Simplifying x = -5.874246889

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.216662203, -5.874246889}

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