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14 December, 06:38

Solve 2x2 - 6x = - 8.

negative 3 plus or minus 5i all over 2

the quantity of 3 plus or minus 2i square root 30 all over 2

the quantity of 3 plus or minus i square root 30 all over 2

the quantity of 3 plus or minus i square root 7 all over 2

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Answers (1)
  1. 14 December, 07:02
    0
    2x²-6x+8=0

    x²-3x+4=0

    D=b²-4ac=9-16=-7

    x = (3+/-i√7) / 2

    correct answer is the last one
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