Odpowiedzi

2010-02-25T20:10:16+01:00
A)5x²-15x = 5x (x -3)

c)-8xy+8x = -8x (y-1)

e)xy-x²y = xy (1-x)

g)12ab²+16b² = 4b² (3a+4)

i)2xy+3x-x²y = x (2y+3-xy)