Question

Va rog e urgent ex 12
Dau coroana + 54 pct

Answer 1

a)(x/2 - y)(x/2 + y)

b)(2/3 - x)(2/3 + x)

c)(x/6 - 5y)(x/6 + 5y)

d)(x - 9/8)(x + 9/8)

e)(a/2 - 4b/11)(a/2 + 4b/11)

f)(2abc/7 - 1)(2abc/7 + 1)

g)(15x/4 - 13y/14)(15x/4 + 13y/14)

h)(x/2y - 5z/3t)(x/2y + 5z/3t)

i)(19x - a/17)(19x + a/17)

Answer 2

ai raspuns atasat......