Razlojite na mnojiteli 9a^3+12a^2-6a ay+zy-2ap-2zp

Question

Razlojite na mnojiteli
9a^3+12a^2-6a
ay+zy-2ap-2zp

Answer 1

9a³+12a²-6a=3a(3a²+4a-2).
ay+zy-2ap-2zp=(ay-2ap)+(zy-2zp)=a(y-2p)+z(y-2p)=(y-2p)(a+z).

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