Product of (5 + a) and ( -5 + a ) is -..​

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Product of (5 + a) and ( -5 + a ) is ……​

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Nem 4 years 2021-09-02T17:11:38+00:00 1 Answers 3 views 0

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  1. minhkhoi
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    2021-09-02T17:13:22+00:00
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    Answer:

    a^2 – 25.

    Step-by-step explanation:

    (5 + a)(-5 + a)

    = -25 + 5a – 5a + a^2

    = a^2 – 25.

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