1- 3a-6b/a-2b=? 2- (a+b)²-4ab/2a-2b 3- a²+ab/a²-ab
1. 3a-6ba-2b=3(a-2b)a-2b=3 2. (a+b)²-4ab2a-2b=(a-b)²2(a-b)=a-b2 3. a²+aba²-a=a(a+b)a(a-b)=a+ba-b