Simplify. (4v2-5v-1) + (7v2-3v+2)

Question

Simplify.
(4v2-5v-1) + (7v2-3v+2)

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Thu Nguyệt 5 years 2021-08-14T09:32:18+00:00 1 Answers 19 views 0

Answers ( )

  1. bonexptip
    0
    2021-08-14T09:33:32+00:00
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    Answer:

    11v^2 – 8v + 1

    Step-by-step explanation:

    (4v^2 – 5v – 1) + (7v^2 – 3v + 2)

    open brackets

    4v^2 – 5v – 1 + 7v^2 – 3v + 2

    place like terms together (remember signs remain same )

    4v^2 + 7v^2 – 5v – 3v + 2 – 1

    add or subtract like terms

    11v^2 – 8v + 1

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