4 5 _______ - _______ X + 3 x -1
Matematika
Rachmatya
Pertanyaan
4 5
_______ - _______
X + 3 x -1
_______ - _______
X + 3 x -1
1 Jawaban
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1. Jawaban MicoArrafi
[tex] \frac{4}{x+3} - \frac{5}{x-1} = \frac{4(x-1)-5(x+3)}{(x+3)(x-1)} \\ \\ \frac{4}{x+3} - \frac{5}{x-1} = \frac{(4x-4)-(5x+15)}{x^2+2x-3} \\ \\ \frac{4}{x+3} - \frac{5}{x-1} = \frac{-x-19}{x^2+2x-3} [/tex]