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24-10-2017
Mathematics

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solve this quadratic equation -x^2 + 2x - 2 = 0

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24-10-2017

-x² + 2x - 2 = 0
a = -1
b = 2
c = -2

You can solve this by using the quadratic formula.
x = (-b +/-√b² - 4ac)/(2a)
x = (-2 +/-√2² - 4(-1)(-2))/(2(-1)
x = (-2 +/-√4 - 8)/-2
x = (-2 +/-√-4)/-2
x = (-2 +/-2i)/-2
x = 1 +/- i

x = 1 + i
x = 1 - i

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