Simplify the expression: 3v2–2v2+9v2

Question

Simplify the expression:
3v2–2v2+9v2

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Thiên Thanh 4 years 2021-08-01T13:31:53+00:00 2 Answers 12 views 0

Answers ( )

  1. Adela
    0
    2021-08-01T13:33:17+00:00
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    20v
    Correct me if I’m wrong

  2. kimchi2
    0
    2021-08-01T13:33:32+00:00
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    Answer:

    10v^2

    Step-by-step explanation:

    (I’m assuming the 2’s are all exponents)

    3v^2 – 2v^2 + 9v^2  <- think of it as 3 – 2 + 9 = 10, then add the rest back on

    10v^2

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