分解因式25x^2-10x(x-y)+(x-y)^2
问题描述:
分解因式25x^2-10x(x-y)+(x-y)^2
答
25x^2-10x(x-y)+(x-y)^2
=(5x)²-2*(5x)*(x-y)+(x-y)²
=[(5x)-(x-y)]²
=(4x+y)²