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Djvictor
a fost răspuns

rezolvati va rog polinoamele:
(2x-5)*(3x+1)=?
(3x-5)*(3x+5)=?

Răspuns :

Capsunica35
(2x-5)*(3x+1)=6x²+2x-15x-5=6x²-13x-5
(3x-5)*(3x+5)=(3x)²-5²=9x²-25

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