Selesaikan 2x + 3/x = 7
Matematika
Riyys02
Pertanyaan
Selesaikan 2x + 3/x = 7
1 Jawaban
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1. Jawaban Ashiela
itu tandanya membingungkan e.. tak kerjain 2 ya
1) [tex] \frac{2x + 3}{x} = 7 [/tex]
2x +3 = 7x
2x - 7x = -3
-5x = -3
x = 3/5
2) [tex]2x + \frac{3}{x} = 7 [/tex]
[tex] \frac{2 x^{2} + 3}{x} = 7 [/tex]
[tex]2 x^{2} + 3 = 7x [/tex]
[tex]2 x^{2} - 7x + 3 = 0
(2x - 1)(x - 3) = 0
x = [tex] \frac{1}{2} [/tex] atau x = 3