X^2-8x+y^2+4y+20=9

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Solution for X^2-8x+y^2+4y+20=9 equation: 


Simplifying
X2 + -8x + y2 + 4y + 20 = 9

Reorder the terms:
20 + X2 + -8x + 4y + y2 = 9

Solving
20 + X2 + -8x + 4y + y2 = 9

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-20' to each side of the equation.
20 + X2 + -8x + 4y + -20 + y2 = 9 + -20

Reorder the terms:
20 + -20 + X2 + -8x + 4y + y2 = 9 + -20

Combine like terms: 20 + -20 = 0
0 + X2 + -8x + 4y + y2 = 9 + -20
X2 + -8x + 4y + y2 = 9 + -20

Combine like terms: 9 + -20 = -11
X2 + -8x + 4y + y2 = -11

Add '8x' to each side of the equation.
X2 + -8x + 4y + 8x + y2 = -11 + 8x

Reorder the terms:
X2 + -8x + 8x + 4y + y2 = -11 + 8x

Combine like terms: -8x + 8x = 0
X2 + 0 + 4y + y2 = -11 + 8x
X2 + 4y + y2 = -11 + 8x

Add '-4y' to each side of the equation.
X2 + 4y + -4y + y2 = -11 + 8x + -4y

Combine like terms: 4y + -4y = 0
X2 + 0 + y2 = -11 + 8x + -4y
X2 + y2 = -11 + 8x + -4y

Add '-1y2' to each side of the equation.
X2 + y2 + -1y2 = -11 + 8x + -4y + -1y2

Combine like terms: y2 + -1y2 = 0
X2 + 0 = -11 + 8x + -4y + -1y2
X2 = -11 + 8x + -4y + -1y2

Simplifying
X2 = -11 + 8x + -4y + -1y2

Reorder the terms:
11 + X2 + -8x + 4y + y2 = -11 + 8x + -4y + -1y2 + 11 + -8x + 4y + y2

Reorder the terms:
11 + X2 + -8x + 4y + y2 = -11 + 11 + 8x + -8x + -4y + 4y + -1y2 + y2

Combine like terms: -11 + 11 = 0
11 + X2 + -8x + 4y + y2 = 0 + 8x + -8x + -4y + 4y + -1y2 + y2
11 + X2 + -8x + 4y + y2 = 8x + -8x + -4y + 4y + -1y2 + y2

Combine like terms: 8x + -8x = 0
11 + X2 + -8x + 4y + y2 = 0 + -4y + 4y + -1y2 + y2
11 + X2 + -8x + 4y + y2 = -4y + 4y + -1y2 + y2

Combine like terms: -4y + 4y = 0
11 + X2 + -8x + 4y + y2 = 0 + -1y2 + y2
11 + X2 + -8x + 4y + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
11 + X2 + -8x + 4y + y2 = 0

The solution to this equation could not be determined.

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