Semangat , Jangan lupa berikan jawaban ini sebagai jawaban terbaik , Terimakasih.
[tex]x = \frac{ - b ± \sqrt{ {b}^{2} - 2ac} }{2a} \\ x = \frac{ - ( - 2) ± \sqrt{ { (- 2)}^{2} - 2(3)( - 2)} }{2(3)} \\ x = \frac{ 2 ± \sqrt{ 4 - ( - 12)} }{6} \\ x = \frac{ 2 ± \sqrt{ 4 + 12} }{6} \\ x = \frac{ 2 ± \sqrt{ 16} }{6} \\ x = \frac{ 2 ± 4 }{6} \\ x1 = \frac{2 + 4}{6} = \frac{6}{6} = 1 \\ x2 = \frac{2 - 4}{6} = - \frac {2}{6} [/tex]
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Semangat , Jangan lupa berikan jawaban ini sebagai jawaban terbaik , Terimakasih.
[tex]x = \frac{ - b ± \sqrt{ {b}^{2} - 2ac} }{2a} \\ x = \frac{ - ( - 2) ± \sqrt{ { (- 2)}^{2} - 2(3)( - 2)} }{2(3)} \\ x = \frac{ 2 ± \sqrt{ 4 - ( - 12)} }{6} \\ x = \frac{ 2 ± \sqrt{ 4 + 12} }{6} \\ x = \frac{ 2 ± \sqrt{ 16} }{6} \\ x = \frac{ 2 ± 4 }{6} \\ x1 = \frac{2 + 4}{6} = \frac{6}{6} = 1 \\ x2 = \frac{2 - 4}{6} = - \frac {2}{6} [/tex]