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Mathematics 12 Online
OpenStudy (anonymous):

Solve x2 - 7x = -13. x equals quantity of negative 7 plus or minus I square root of 6 all over 2 x equals quantity of negative 7 plus or minus I square root of 3 all over 2 x equals quantity of 7 plus or minus I square root of 6 all over 2 x equals quantity of 7 plus or minus I square root of 3 all over 2

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