zeh5agzsd
幼苗
共回答了20个问题采纳率:90% 举报
3x2-12x,
=3x(x-4)
x2-6x+9,
=x²-2×x×3+3²
=(x-3)²
16m5-m,
=m(16m的4次方-1)
=m(4m²+1)(4m²-1)
=m(4m²+1)(2m+1)(2m-1)
x3y-2x2y2+xy3
=xy(x²-2xy+y²)
=xy(x-y)²
1年前
追问
1
dave_999_
举报
1/2x2+xy-y2,1/2x2+3xy+y2,1/2x2-xy,加法运算,因式分解
dave_999_
举报
6xy-(x2-2xy),3a2乘于4ab2,(3ab6x3-9ax5)除于(-3ax3),过程谢谢