Add: ( 2x^2 + 6x + 4) and ( 5x^2 – 5x + 10)

Question

Add: ( 2x^2 + 6x + 4) and ( 5x^2 – 5x + 10)

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Thu Nguyệt 4 years 2021-07-28T11:39:42+00:00 2 Answers 11 views 0

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  1. bonexptip
    0
    2021-07-28T11:40:50+00:00
    Reply

    The person for your answer:)

  2. Sigrid
    0
    2021-07-28T11:41:26+00:00
    Reply

    Answer:

    7x² + x + 14

    Step-by-step explanation:

    (2x² + 6x + 4) + (5x² – 5x + 10)

    Remove parentheses

    2x² + 6x + 4 + 5x² – 5x + 10

    Put like terms together.

    2x² + 5x² + 6x – 5x + 4 + 10

    Simplify.

    7x² + x + 14

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