x2 + x + 7 What is the variable in this expression? PLEASE HELP I HATE MATH

Question

x2 + x + 7
What is the variable in this expression?
PLEASE HELP I HATE MATH

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Trúc Chi 3 months 2021-07-19T22:20:05+00:00 1 Answers 2 views 0

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    2021-07-19T22:21:43+00:00

    Answer:

    =3x+7

    Step-by-step explanation:

    can I pls have the brainliest?

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