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16 November, 18:56

Y2 - 10y + 21 = 0

Solve for y

+2
Answers (2)
  1. 16 November, 19:08
    0
    y is 7,3
  2. 16 November, 19:18
    0
    (y - 7) (y - 3) = 0

    y - 7 = 0

    y = 7

    y - 3 = 0

    y = 3
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