Question

Срочно помогите сделать ​

Answer 1

Ответ:

Объяснение:

1. (9-p²)/(3p+9) ·p²/(3-p)² -p/(3-p)=p/(3-p) ·(((3-p)(3+p))/(3(p+3)) ·p/(3-p) -1)=p/(3-p) ·((3-p)/3 ·p/(3-p) -1)=p/(3-p) ·(p/3 -3/3)=p/(3-p) ·(-(3-p)/3)=-p/3

Ответ: вариант В.