Răspunsuri

2014-02-25T18:12:36+02:00
A) (x-4)(x+4)
b) (y-7)(y+7)
c) (4-1)(4-1)
d) (5x-y)(5x+y)
e) (4x-5)(4x+5)
f) (9x-7x)(9x+7x)
2014-02-25T18:16:13+02:00
A)x la minus 14
b)y la minus 47
c)4a
d)50x la minus 4y
e)16x la minus 23
f)162 la minus 94
....daca nu intelegi ceva sa imi spui