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9 March, 20:09

Expand if necessary, combine like terms (x+2) (x+2)

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Answers (2)
  1. 9 March, 20:14
    0
    Answer: x^2 + 4x + 4
  2. 9 March, 20:30
    0
    x^2 + 4x + 4

    Step-by-step explanation:

    We can do this first

    (x + 2) ^2

    Then we can use our knowledge and do

    x^2 + 4.

    We have to multiple the two by two and then x because that is a rule in

    (a + b) ^2

    =

    a^2 + b^2 + 2ba

    So we end up with x^2 + 4x + 4
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