本课配套习题挑战模式1/5

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1.

分解因式3x2+5xy-2y2+x+9y-4=( )


A:

(3x+y+4)(x+2y-1)

B:

(3x-y+4)(x+2y-1)

C:

(3x-y-4)(x+2y-1)

D:

(3x-y+4)(x-2y-1)

  • 提示1PHA+5q2k6aKY5om+5LiN5Yiw5YWs5Zug5byP5omA5Lul55So5b6F5a6a57O75pWw5rOVPC9wPg==
  • 提示2PHA+6KeC5a+fM3g8c3VwPjI8L3N1cD4rNXh5LTJ5PHN1cD4yPC9zdXA+PSgzeC15KSh4KzJ5KTwvcD4=
  • 提示3PHA+5Y+v6K6+M3g8c3VwPjI8L3N1cD4rNXh5LTJ5PHN1cD4yPC9zdXA+K3grOXktND0oM3gteSthKSh4KzJ5K2Ip5a+55bqU57O75pWw5Y2z5Y+v5rGC55qE44CCPC9wPg==