Question

(t-2)(t+2)(2t-2) решите уравнение

Answer 1

(t-2)(t+2)(2t-2)=0
2(t-2)(t+2)(t-1)=0
1) t-2=0
     t1=2
2)  t+2=0
     t2=-2
3)  t-1=0
     t3=1