July 2021 0 7 Report
Помогите решить уравнения!!! а) (х + 2)^3 – (х –
3)^3 = 15х^2 –
85;                      

б) 4(z + 1)^3                
                       – 2z(2z + 1)^2 + 4z^2(z – 1) = 24;

в) 8x^3 – 36х^2 + 54х – 27
= 0;                              г) 27 +
7а(9 + 7а)^2 = (7а + 6)^3.

 
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