Question

Реши уравнение: (2z+1)⋅(8z−7)⋅(12z−17)=0
●z 1 =−1,z 2 =7,z 3 =17
●другой ответ
●z 1 =12 ,z 2 =−78 ,z 3 =−1512
●z 1 =−12 ,z 2 =78 ,z 3 =1512

Answer 1

2z+1=0
2z=-1
z1=-1/2
8z-7=0
8z=7
z2=7/8
12z-17=0
12z=17
z3=17/12
ответ:-1/2;7/8;17/12