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2y + 8 y² -16
---------- : ---------------
y² -4y +3 y² -y -6
= 2(y +4) (y -3)(y +2) ( tanda tebal itu dicoret )
---------------- X -------------------
(y -3)(y -1) (y -4)(y+4)
= 2 (y +2)
----- X --------
(y -1) (y -4)
= 2(y +2) = 2y + 4 jawabannya adalah (d)
---------------- ------------
(y -1)(y -4) y² -5 +4