2 log (x^2+3x) > 2 log (x+15) ..... Pake cara yah tolong
Matematika
nabilaputrirahmadi
Pertanyaan
2 log (x^2+3x) > 2 log (x+15) .....
Pake cara yah tolong
Pake cara yah tolong
1 Jawaban
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1. Jawaban della643
2log(x^2+3x)>2log(x+15)
x^2+3x>x+15
x^2+3x-x-15>0
x^2+2x-15>0
(x-3)(x+5)
x=3 atau x=-5