Ile wynosi promień okręgu
x2 + y2 - 4x + 6y - 6 = 0
?
niewiem czy dobże x2+y2-4x+6y= x6+y8
2x+2y-4x+6y=6
-2x+8y=6/:(-2)
x=4y-3
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niewiem czy dobże x2+y2-4x+6y= x6+y8
2x+2y-4x+6y=6
-2x+8y=6/:(-2)
x=4y-3