A:6a2b=3a•2ab
B:(x+4)(x﹣4)=x2﹣16
C:2ax﹣2ay=2a(x﹣y)
D:4x2+8x﹣1=4x(x+2)﹣1
听第二段对话,回答小题。
What is the boy going to do tomorrow afternoon?
关于光,下列说法中正确的是( )