11x^2-40x+165=0

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Solution for 11x^2-40x+165=0 equation:


Simplifying
11x2 + -40x + 165 = 0

Reorder the terms:
165 + -40x + 11x2 = 0

Solving
165 + -40x + 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'.
15 + -3.636363636x + x2 = 0

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -3.636363636x + -15 + x2 = 0 + -15

Reorder the terms:
15 + -15 + -3.636363636x + x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -3.636363636x + x2 = 0 + -15
-3.636363636x + x2 = 0 + -15

Combine like terms: 0 + -15 = -15
-3.636363636x + x2 = -15

The x term is -3.636363636x.  Take half its coefficient (-1.818181818).
Square it (3.305785123) and add it to both sides.

Add '3.305785123' to each side of the equation.
-3.636363636x + 3.305785123 + x2 = -15 + 3.305785123

Reorder the terms:
3.305785123 + -3.636363636x + x2 = -15 + 3.305785123

Combine like terms: -15 + 3.305785123 = -11.694214877
3.305785123 + -3.636363636x + x2 = -11.694214877

Factor a perfect square on the left side:
(x + -1.818181818)(x + -1.818181818) = -11.694214877

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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