10-06-2018
Mathematics

contestada

Which are the solutions of x2 = –7x – 8?

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chickenheadbum3 chickenheadbum3

10-06-2018

x^2 = -7x -8

x^2 +7x +8 = 0

D = 49 -32 = 17

x_1,2 = (-7+/-sqrt17)/2 = (-7-sqrt17)/2 and (-7+sqrt17)/2

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ashleyspandya ashleyspandya

10-06-2018

If you're referring x^2 (as in x squared), then the solutions are x = (-7-sqrt17)/2
and x= (sqrt17-7)/2

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