Объяснение:
((5x-25)/(3y+5)) : ((x²- 25)/(6у+10)) = ((5*(х - 5)/(3y+5)) :((х + 5)*(х -5)/(2(у + 5))=
= ((5*(х - 5)/(3y + 5)) * (2(у + 5)/(х + 5)*(х - 5)) = 10/(х + 5)
Объяснение:
((5x-25)/(3y+5)) : ((x²- 25)/(6у+10)) = ((5*(х - 5)/(3y+5)) :((х + 5)*(х -5)/(2(у + 5))=
= ((5*(х - 5)/(3y + 5)) * (2(у + 5)/(х + 5)*(х - 5)) = 10/(х + 5)