(4а-8)(6а-10)=0 (4t-1)(8t-3)(12t-17)=0 решите уравнение

(4a-8)(6a-10)=0
4(a-2).2.(3a-5)=0
8.(a-2)(3a-5)=0
a)a-2=0,a=2
b)3a-5=0,a=5/3

(4t-1)(8t-3)(12t-17)=0
a)4t-1=0,t=1/4
b)8t-3=0,t=3/8
c)12t-17=0,t=17/12

1) (4а-8)(6а-10)=0
4a-8=0;   4a=8'    a=2;
6a-10=0;    6a=10;  3a=5;    a=5/3;  a= 1  2/3.

2)  (4t-1)(8t-3)(12t-17)=0     4t-1 = 0;  4t=1;  t =1/4;
      8t-3 = 0;   8t=3;   t-3/8;
      12t-17=0;  12t=17;   t=17/12;  t = 1  5/12.