Solve x2 + 10x + 7 = 0 by completing the square. Which equation is used in the process? ( x + 5) 2 = 32 ( x +

Question

Solve x2 + 10x + 7 = 0 by completing the square.

Which equation is used in the process?

( x + 5) 2 = 32
( x + 5) 2 = 18
( x + 10) 2 = 93

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Tài Đức 5 months 2021-08-18T12:05:41+00:00 1 Answers 7 views 0

Answers ( )

  1. thongdat2
    0
    2021-08-18T12:07:30+00:00
    Reply

    The answer is second
    (x+5)2 = 18

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