（本題共兩小題，每小題6分，滿分12分）
（1）解不等式組：
（2）因式分解：
（1）
解：由①得 
．··············································································· 2分
由②得 
．··················································································· 4分
不等式組解集為
．·································································· 6分
（2）解：
························································································ 2分
．·············································································· 6分
解析:略
怎樣學好牛津英語系列答案湖北省互聯網違法和不良信息舉報平臺 | 網上有害信息舉報專區 | 電信詐騙舉報專區 | 涉歷史虛無主義有害信息舉報專區 | 涉企侵權舉報專區
違法和不良信息舉報電話：027-86699610 舉報郵箱：58377363@163.com
．
整數解。
