Question

Сократите дроби 1)y^2-y/1-y^2 2)a^2-4/2a-a^2 3)3x-3c/ac-ax 4)5a^2-10ab/2b^2-ab

Answer 1

1)= 1
2)= a+2/a
3)= -3/a
4)= -5a/2b