the solution set for x^2 -x -56=0 is A.{7,8} b. {-7} c. {8} d. {-7,8} e. {7.-8}

Question

the solution set for x^2 -x -56=0 is
A.{7,8}
b. {-7}
c. {8}
d. {-7,8}
e. {7.-8}

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Ben Gia 4 years 2021-08-10T09:16:19+00:00 1 Answers 15 views 0

Answers ( )

  1. Calantha
    0
    2021-08-10T09:17:44+00:00
    Reply

    I believe the answer is E

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