作业帮问两道分解公因式的题3a²-3b²5x²y-10xy²+5y三次方
来源：学生作业帮助网 编辑：作业帮 时间：2024/06/18 00:47:47
x){9}ݓ K^6N~b⧭k^tOY-/0NTS645N0L+ tAE%mZdG5 MiTOL M/;X&քk'ij$&is9a 5ʴRHרR
问两道分解公因式的题3a²-3b²5x²y-10xy²+5y三次方
问两道分解公因式的题
3a²-3b²
5x²y-10xy²+5y三次方
问两道分解公因式的题3a²-3b²5x²y-10xy²+5y三次方
3a²-3b²
=3(a²-b²)
=3(a+b)(a-b)
5x²y-10xy²+5y³
=5y(x²-2xy+y²)
=5y(x-y)²