x^2+27x+11=

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Solution for x^2+27x+11= equation:


Simplifying
x2 + 27x + 11 = 0

Reorder the terms:
11 + 27x + x2 = 0

Solving
11 + 27x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-11' to each side of the equation.
11 + 27x + -11 + x2 = 0 + -11

Reorder the terms:
11 + -11 + 27x + x2 = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 27x + x2 = 0 + -11
27x + x2 = 0 + -11

Combine like terms: 0 + -11 = -11
27x + x2 = -11

The x term is 27x.  Take half its coefficient (13.5).
Square it (182.25) and add it to both sides.

Add '182.25' to each side of the equation.
27x + 182.25 + x2 = -11 + 182.25

Reorder the terms:
182.25 + 27x + x2 = -11 + 182.25

Combine like terms: -11 + 182.25 = 171.25
182.25 + 27x + x2 = 171.25

Factor a perfect square on the left side:
(x + 13.5)(x + 13.5) = 171.25

Calculate the square root of the right side: 13.086252328

Break this problem into two subproblems by setting 
(x + 13.5) equal to 13.086252328 and -13.086252328.

Subproblem 1

x + 13.5 = 13.086252328 Simplifying x + 13.5 = 13.086252328 Reorder the terms: 13.5 + x = 13.086252328 Solving 13.5 + x = 13.086252328 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13.5' to each side of the equation. 13.5 + -13.5 + x = 13.086252328 + -13.5 Combine like terms: 13.5 + -13.5 = 0.0 0.0 + x = 13.086252328 + -13.5 x = 13.086252328 + -13.5 Combine like terms: 13.086252328 + -13.5 = -0.413747672 x = -0.413747672 Simplifying x = -0.413747672

Subproblem 2

x + 13.5 = -13.086252328 Simplifying x + 13.5 = -13.086252328 Reorder the terms: 13.5 + x = -13.086252328 Solving 13.5 + x = -13.086252328 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13.5' to each side of the equation. 13.5 + -13.5 + x = -13.086252328 + -13.5 Combine like terms: 13.5 + -13.5 = 0.0 0.0 + x = -13.086252328 + -13.5 x = -13.086252328 + -13.5 Combine like terms: -13.086252328 + -13.5 = -26.586252328 x = -26.586252328 Simplifying x = -26.586252328

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.413747672, -26.586252328}

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