Simplify 2x² + (4x – 6x²) + 9 – (6x + 3)

Question

Simplify
2x² + (4x – 6x²) + 9 – (6x + 3)

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Thu Nguyệt 5 years 2021-08-05T21:19:23+00:00 2 Answers 21 views 0

Answers ( )

  1. thnahdat
    0
    2021-08-05T21:20:30+00:00
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    Answer:

    =-4x^2-2x+6

    Step-by-step explanation:

  2. Sigrid
    0
    2021-08-05T21:21:18+00:00
    Reply

    Answer:  -4x²-2x+6

    Step-by-step explanation:

    2x²+(4x-6x²)+9-(6x+3)

    2x²+4x-6x²+9-6x-3

    2x²-6x²+4x-6x+9-3

    -4x²-2x+6

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