这是初中题阿，显然x=7或者-2，带进去就行了 (水城百事)

by , Tuesday, March 30, 2010, 12:00 @ aaa

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已知X的平方-5X=14，求（X-1)(2X-1)(X+1）的平方+1 - aaa ; 10-03-30,10:31 (#17275) Reply (水城百事)
- 早忘光了，考试 - ？ ; 10-03-30,10:47 (#17279) Reply
- 这是初中题阿，显然x=7或者-2，带进去就行了 - yellowsea ; 10-03-30,12:00 (#17301) Reply
  - 这是正解。 - 2012 ; 10-03-30,12:02 (#17303) Reply

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