Selesaikan $$$x^{2} - 2 x - 39 = 0$$$ terhadap $$$x$$$ (akar riil)
Masukan Anda
Selesaikan persamaan $$$x^{2} - 2 x - 39 = 0$$$ terhadap $$$x$$$ pada selang $$$\left(-\infty, \infty\right)$$$.
Jawaban
Akar real
$$$x = 1 - 2 \sqrt{10}\approx -5.324555320336759$$$A
$$$x = 1 + 2 \sqrt{10}\approx 7.324555320336759$$$A
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