selesaikan |x + 3| >2|x -3|
Matematika
erikaputriip
Pertanyaan
selesaikan |x + 3| >2|x -3|
1 Jawaban
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1. Jawaban dnnyz07
Nilai Mutlak
| x + 3 | > 2|x - 3|
|x + 3| > |2x - 6|
(x + 3 + 2x - 6)(x + 3 - 2x + 6) > 0
(3x - 3)( - x + 9) > 0
3(x - 1) . -1(x - 9) > 0
(x - 1)(x - 9) < 0
1 < x < 9