比0小4的数是_______;4比-9大______;_____比-8大8.
分解因式:x2﹣4x+4=_________.
分解因式:x2y﹣2xy+y=_________.
因式分解:3a+12a2+12a3=_________.
分解因式:16﹣8(x﹣y)+(x﹣y)2=_________.
因式分解:x3y2﹣x5=_________.