kaylintiftov1h5e
kaylintiftov1h5e
06-06-2018
Mathematics
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Аноним
Аноним
06-06-2018
Discriminant b^2-4ac = (-9)^2 - 4*2*9 = 9
so there are 2 roots
because of the -9x and 9 they will both be positive
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