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27 December, 04:36

Find the value of x2 - 7x + 9 when x = 6.

The value of the expression when x = 6 is

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Answers (1)
  1. 27 December, 06:57
    0
    -21.

    Step-by-step explanation:

    (6) 2-7 (6) + 9

    --> 6x2 = 12

    --> 7x6 = 42

    Rewrite the expression:

    --> 12-42+9

    Solve:

    --> 12-42 = - 30

    --> - 30+7 = - 21
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