x^2-11x+40=0

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


Simplifying
x2 + -11x + 40 = 0

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

Solving
40 + -11x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-40' to each side of the equation.
40 + -11x + -40 + x2 = 0 + -40

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

Combine like terms: 40 + -40 = 0
0 + -11x + x2 = 0 + -40
-11x + x2 = 0 + -40

Combine like terms: 0 + -40 = -40
-11x + x2 = -40

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 = -40 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -40 + 30.25

Combine like terms: -40 + 30.25 = -9.75
30.25 + -11x + x2 = -9.75

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = -9.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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