July 2022 2 8 Report

1)Разложите на множители:

y^4-81

 

2)Решите уравнение:

(х-2)(2х+6)=0

 

3)Найдите корни уравнения:

 x^3-9x=0

 

4)Сократите дробь:

4а^2 -4a+1 /4a^2-1

 

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