For each expression, write an equivalent expression in standard form. Show your reasoning. (x-2) (x+2) please help!

Question

For each expression, write an equivalent expression in standard form. Show your reasoning. (x-2) (x+2)

please help!

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Nguyệt Ánh 7 mins 2021-07-22T19:57:55+00:00 1 Answers 0 views 0

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    2021-07-22T19:59:28+00:00

    Answer: x^2-4

    Step-by-step explanation:

    (x-2)(x+2)

    x^2-2^2

    x^2-4

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )