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8 October, 10:45

Expand.

If necessary, combine like terms.

(x+3) (x - 3) = ?

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Answers (2)
  1. 8 October, 11:46
    0
    i did it on khan

    Step-by-step explanation:

    its x^2=9
  2. 8 October, 13:48
    0
    Step-by-step explanation:

    multiply it

    x²-3x+3x-9=0

    x²-9=0

    x²=9

    square root both side we get

    x=3
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