x^2=11x-66

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Solution for x^2=11x-66 equation:


Simplifying
x2 = 11x + -66

Reorder the terms:
x2 = -66 + 11x

Solving
x2 = -66 + 11x

Solving for variable 'x'.

Reorder the terms:
66 + -11x + x2 = -66 + 11x + 66 + -11x

Reorder the terms:
66 + -11x + x2 = -66 + 66 + 11x + -11x

Combine like terms: -66 + 66 = 0
66 + -11x + x2 = 0 + 11x + -11x
66 + -11x + x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
66 + -11x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-66' to each side of the equation.
66 + -11x + -66 + x2 = 0 + -66

Reorder the terms:
66 + -66 + -11x + x2 = 0 + -66

Combine like terms: 66 + -66 = 0
0 + -11x + x2 = 0 + -66
-11x + x2 = 0 + -66

Combine like terms: 0 + -66 = -66
-11x + x2 = -66

The x term is -11x.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11x + 30.25 + x2 = -66 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -66 + 30.25

Combine like terms: -66 + 30.25 = -35.75
30.25 + -11x + x2 = -35.75

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = -35.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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