(3×3 + 2x² + 10) + (3×3 + 2×2 + 10x)

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(3×3 + 2x² + 10) + (3×3 + 2×2 + 10x)

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bonexptip 3 years 2021-08-30T23:04:26+00:00 2 Answers 7 views 0

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  1. Orla
    0
    2021-08-30T23:05:29+00:00
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    (3×3 + 2x^2 +10) +(3×3 +2×2 +10x)

    (9 + 2x^2 +10) +(9+4+10x)

    (19+2x^2) +(13 +10x)

    now opening the brackets

    19 +13 +2x^2 +10x

    2x^2 + 10x +32

    taking 2x common

    2x(x+5) +32

  2. Giakhanh
    0
    2021-08-30T23:06:07+00:00
    Reply

    Answer:

    (3x  3
    +2x  2  +5x+5)

    Step-by-step explanation:

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