问题 填空题

分解因式:2x3+11x2+17x+6=______.

答案

2x3+11x2+17x+6,

=2x3+6x2+5x2+17x+6,

=2x2(x+3)+(5x+2)(x+3),

=(2x2+5x+2)(x+3),

=(x+2)(2x+1)(x+3).

单项选择题
连词成句