Предмет: Алгебра, автор: antonvalger16

решительно уравнение x в 4 степени минус 9 x во 2 степени равно 0

Ответы

Автор ответа: natulyasotskay

хв4степ-9х²=0
х²(х²-9)=0
х²=0 х²-9=0
х1=0 х2,3=+-√9
х2=3 х3=-3
Ответ -3 0 3

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