Odpowiedzi

2009-12-29T21:12:14+01:00
C) x³+x²-2x = x(x²+x-2)
x(x²+x-2)/x(x³+8)=(x²+x-2)/(x³+8)=(x-1)(x+2)/(x²-2x+4)(x+2)
skracamy x+2
i mamy x-1/x²-2x+4