(y-3)/(4y-8)÷(y+2-5/(y-2))
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(y-3)/(4y-8)÷(y+2-5/(y-2))
(y-3)/(4y-8)÷(y+2-5/(y-2))
(y-3)/(4y-8)÷(y+2-5/(y-2))
(y-3)/(4y-8)÷(y+2-5/(y-2))
=(y-3)/(4y-8)÷{[(y+2)(y-2)-5]/(y-2)}
=(y-3)/(4y-8)÷[(y^2-9)/(y-2)]
=(y-3)/[4(y-2)]*(y-2)/[(y+3)(y-3)]
=1/[4(y+3)]
(y-3)/(4y-8)÷(y+2-5/(y-2))
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