Which expression is equivalent to x^2+7x+6^2

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Which expression is equivalent to x^2+7x+6^2

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Tài Đức 4 years 2021-08-02T04:57:46+00:00 1 Answers 18 views 0

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  1. minhkhoi
    0
    2021-08-02T04:58:48+00:00
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    Answer:

    Step-by-step explanation:

    [x² + 2( \frac{7}{2} ) x + ( \frac{7}{2} )²] – ( \frac{7}{2} )² + 36 =

    ( x + 3.5)² + 23.75

    or

    ( x + \frac{7}{2} )² + \frac{95}{4}

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