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Mathematics 9 Online
OpenStudy (anonymous):

When solving quadratic equations Solve 3x2 = -12x - 15 x = -4 ± 2 i x = -4 ± i x = -2 ± 2 i x = -2 ± i Possible answers

OpenStudy (rabya!):

-2 i

OpenStudy (rabya!):

last one

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