Which of the following is a factor of 7×2 + 42x – 49 x2 + 49 x+7 X-7 x+ 1

Question

Which of the following is a factor of 7×2 + 42x – 49
x2 + 49
x+7
X-7
x+ 1

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Amity 4 years 2021-08-24T16:25:19+00:00 1 Answers 2 views 0

Answers ( )

  1. Dau
    0
    2021-08-24T16:26:39+00:00
    Reply

    Answer:

    x + 7

    is the answer because 7×2+42x-49

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