Odpowiedzi

2010-02-27T13:39:42+01:00
A)2(3xy-6x²y²+12x²y)
b)-6(-xy+2x²y²-4x²y)
c)3xy(2-4xy+8x)
2010-02-27T13:40:53+01:00
A) 6xy- 12x²y²+ 24x²y=2(3xy-6x²y²+12x²y)
b) 6xy- 12x²y²+ 24x²y=-6(-xy+2x²y-4x²y)
c) 6xy- 12x²y²+ 24x²y=3xy(2-4xy+8x)
2010-02-27T13:43:48+01:00
A) 2(3xy-6x*y*+12x*y)
b) -6(-xy+2x*y*-4x*y)
c) 3xy(2-4xy+8x)

gdzie * oznacza do kwadratu.