若a>3,b<-6,则(a-3)(b+6)______0.
∵a>3,b<-6,
∴a-3>0,b+6<0,
∴(a-3)(b+6)<0.
故答案为:<.
---Do you know the song Gangnam Style?
---Of course. It interesting.
A.tastes
B.smells
C.sounds
D.feels
分解因式:2x3-8x=______.