Answers

2014-11-06T21:45:25+08:00
1. (x^2 - 9x + 18) / (x - 3)
= (x - 6)(x - 3) / (x - 3)
= x - 6

2. (x^2 - 4x - 5) / (x + 1)
= (x - 5)(x + 1) / x + 1
= x - 5
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