write the expression below in simplest form. 3x^2 + 8x -1+2(x^2 +5x+3) (work shown please!)

Question

write the expression below in simplest form. 3x^2 + 8x -1+2(x^2 +5x+3) (work shown please!)

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Kiệt Gia 3 years 2021-07-20T21:42:21+00:00 2 Answers 4 views 0

Answers ( )

  1. thuthao
    0
    2021-07-20T21:43:31+00:00
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    Answer:

    5x^2+18x+5

    Step-by-step explanation:

  2. quangkhai
    0
    2021-07-20T21:44:10+00:00
    Reply

    Answer:

    5x² + 18x + 5

    Step-by-step explanation:

    Given

    3x² + 8x – 1 + 2(x² + 5x + 3) ← distribute parenthesis

    = 3x² + 8x – 1 + 2x² + 10x + 6 ← collect like terms

    = 5x² + 18x + 5

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