因式分解:ax^2+ay^2-2axy-a^3
问题描述:
因式分解:ax^2+ay^2-2axy-a^3
急
答
ax^2+ay^2-2axy-a^3
=a(x^2-2xy+y^2-a^2)
=a【(x-y)^2-a^2】
=a(x-y+a)(x-y-a)