Question

Помогите с алгеброй.

Answer 1

=(r^-5r+25)r(5r+1)r(r+5)/(5r-1)(5r+1)(r+5)(r^-5r+25)*5  +25r+22/5(5r-1)=

r^/5(5r-1)  +25r+22/5(5r-1)= r^+25r+22/25r-5