Сократите дробь1)3а^2-6ав+3в^2/6а^2-6в^22)5m^2+10mn+5n^2/15m^2-15n^2

Question

Сократите дробь
1)3а^2-6ав+3в^2/6а^2-6в^2
2)5m^2+10mn+5n^2/15m^2-15n^2

Answer 1

1)  3а^2-6ав+3в^2/2(3а^2-3в^2)=-6ab/2
2) 5m^2+10mn+5n^2/ 3(5m^2-5n^2)= 10mn/3