X^2+y^2+6y-18=0

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Solution for X^2+y^2+6y-18=0 equation:


Simplifying
X2 + y2 + 6y + -18 = 0

Reorder the terms:
-18 + X2 + 6y + y2 = 0

Solving
-18 + X2 + 6y + y2 = 0

Solving for variable 'X'.

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

Add '18' to each side of the equation.
-18 + X2 + 6y + 18 + y2 = 0 + 18

Reorder the terms:
-18 + 18 + X2 + 6y + y2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + X2 + 6y + y2 = 0 + 18
X2 + 6y + y2 = 0 + 18

Combine like terms: 0 + 18 = 18
X2 + 6y + y2 = 18

Add '-6y' to each side of the equation.
X2 + 6y + -6y + y2 = 18 + -6y

Combine like terms: 6y + -6y = 0
X2 + 0 + y2 = 18 + -6y
X2 + y2 = 18 + -6y

Add '-1y2' to each side of the equation.
X2 + y2 + -1y2 = 18 + -6y + -1y2

Combine like terms: y2 + -1y2 = 0
X2 + 0 = 18 + -6y + -1y2
X2 = 18 + -6y + -1y2

Simplifying
X2 = 18 + -6y + -1y2

Reorder the terms:
-18 + X2 + 6y + y2 = 18 + -6y + -1y2 + -18 + 6y + y2

Reorder the terms:
-18 + X2 + 6y + y2 = 18 + -18 + -6y + 6y + -1y2 + y2

Combine like terms: 18 + -18 = 0
-18 + X2 + 6y + y2 = 0 + -6y + 6y + -1y2 + y2
-18 + X2 + 6y + y2 = -6y + 6y + -1y2 + y2

Combine like terms: -6y + 6y = 0
-18 + X2 + 6y + y2 = 0 + -1y2 + y2
-18 + X2 + 6y + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
-18 + X2 + 6y + y2 = 0

The solution to this equation could not be determined.

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