Предмет: Математика, автор: kiaro2

Сократите дробь:x^2-6x+9x^2-x-6

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Ответы

Автор ответа: Аноним
0
=(х-3)²/(х-3)(х+2)=(х-3)/(х+2)
х²-х-6=0
х1+х2=1 и х1*х2=-6⇒х1=3 и х2=-2
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