(x^2-8x+16)+(y^2+6y+9)-16-9+(21)=0

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Solution for (x^2-8x+16)+(y^2+6y+9)-16-9+(21)=0 equation: 


Simplifying
(x2 + -8x + 16) + (y2 + 6y + 9) + -16 + -9 + (21) = 0

Reorder the terms:
(16 + -8x + x2) + (y2 + 6y + 9) + -16 + -9 + (21) = 0

Remove parenthesis around (16 + -8x + x2)
16 + -8x + x2 + (y2 + 6y + 9) + -16 + -9 + (21) = 0

Reorder the terms:
16 + -8x + x2 + (9 + 6y + y2) + -16 + -9 + (21) = 0

Remove parenthesis around (9 + 6y + y2)
16 + -8x + x2 + 9 + 6y + y2 + -16 + -9 + (21) = 0
16 + -8x + x2 + 9 + 6y + y2 + -16 + -9 + 21 = 0

Reorder the terms:
16 + 9 + -16 + -9 + 21 + -8x + x2 + 6y + y2 = 0

Combine like terms: 16 + 9 = 25
25 + -16 + -9 + 21 + -8x + x2 + 6y + y2 = 0

Combine like terms: 25 + -16 = 9
9 + -9 + 21 + -8x + x2 + 6y + y2 = 0

Combine like terms: 9 + -9 = 0
0 + 21 + -8x + x2 + 6y + y2 = 0
21 + -8x + x2 + 6y + y2 = 0

Solving
21 + -8x + x2 + 6y + y2 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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