hollys127 hollys127
  • 16-07-2018
  • Mathematics
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In quadratic formula

In quadratic formula class=

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Аноним Аноним
  • 16-07-2018

x² - x - 12 = 0


[tex] x = \dfrac{-b \pm \sqrt{b^{2} - 4ac}}{2a} [/tex]


a = 1, b = -1, c = -12

[tex] x = \dfrac{1 \pm \sqrt{(-1)^{2} - 4(1)(-12)}}{2(1)} [/tex]


x = 4 or -3


Answer: 4 or -3

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