若x+y=5,xy=6,则x2y+xy2的值为_.
问题描述:
若x+y=5,xy=6,则x2y+xy2的值为______.
答
∵x+y=5,xy=6,
∴x2y+xy2
=xy(x+y)
=5×6
=30.
故答案为:30.