Question 260035
(9y-18)/(2-y)
9(y-2)/(2-y) multiply the denominator by -1.
9(y-2)/-1(y-2) cancel out the (y-2 terms.
9/-1=-9 ans.
Proof:
let y=3.
(9*3-18)/(2-3)
(27-18/-1
9/-1=-9