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Aduceti la forma cea mai simpla:
a)
(a3-1)(a6+a3+1)=
b)
(m-1)(m2+m+1)=
c)
(a2+1)(a4-a2+1)=
d)
(2a+3b)(4a2-6ab+9b2)=


Răspuns :

a) (a3)la puterea 3 minus 1 la puterea 3
b) m la puterea 3 minus 1 la puterea 3
c) (a2) la puterea 3 plus 1 la puterea 3
d) (2a) la puterea 3 plus (3b) la puterea 2