buat bsk plis yang baik tambah pinter

12 + 3(x-3) 12+3x-9 3x+3
__________ = _______ = ______

(X+3)(x-3) (X+3)(x-3) (X+3)(x-3)


X-y -2x-2y
_________
(X+y)(x-y)
___________
3x+3y+4x-4y
__________
(X+y)(x-y)




-x-3y 7x-y
= _______ : _______
(X+y)(x-y) (X+y)(x-y)

-x-3y (X+y)(x-y)
= ________ x__________
(X+y)(x-y) 7x-y

-x-3y
= _________
7x-y