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How do you do this problem because i feel like i did it wrong

(3ã2 + 4)^2

(3ã2 + 4)(3ã2 + 4)
9ã4 + 12ã2 + 12ã2 + 16
9*2ã2 + 12ã2 + 12ã2 + 16
18ã2 + 12ã2 + 12ã2 + 16 =
42ã2 + 16

  • Math -


    Please don't switch names when you repost a question. First you were Meghan now you are Angel

  • Math -

    expanding you will get 9a^4+24a^2+16
    check back

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