Объяснение:
(x²-6x+9)/(8x) ÷(3x-9)=(x-3)²/(8x) ·1/(3(x-3))=(x-3)/(24x)
(y²-64)·8/(y+8)²=(y-8)(y+8)·8/(y+8)²=(8(y-8))/(y+8)
