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Mathematics, 31.01.2020 19:44 zanaplen27

X^2+6x+90=0
a)x=-3+9i, -3-9i
b)x=-12
c)x=6,-12
d)x=-3+9i

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X^2+6x+90=0
a)x=-3+9i, -3-9i
b)x=-12
c)x=6,-12
d)x=-3+9i...

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