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disamakan penyebutnya terlebih dahulu
4(x-1) -5(x+3) /(x+3)(x-1)=
4x-4-5x-15 /x^2-x+3x-3=
-x-19 / x^2+2x-3
=4/x + 3x/x -5/x -x/x
= -1 +2x
x
maaf kalo salah