Question

Упростите выражение!!!

Answer 1

1) (3/(9-х^2)+1/(х-3)=3/(3-х)(3+х) + 1/(х-3)= -(3/(х-3)(х+3)) + 1/(х-3)= 3/(3-х)(3+х) - 3-х/(3-х)(3+х)= 3-3-х/(9-х)^2= -х/(9-х)^2
2) -х/(9-х)^2 ÷ х/х^2-6х+9= -х/(9-х)^2 × х^2-6х+9/х= х/(х-3)(х+3) × (х-3)^2/х= х-3/х+3
ответ: х-3/х+3