sederhana kan pecahan aljabar berikut: x²+xy-12y² per x²-16y²

x^2 + xy -12y^2
-------------------
x^2 - 16y^2

( x + 4y)(x -3y)
= ---------------------
( x + 4y)(x -4y)

( x - 3y )
= ---------------
( x - 4y )