(m-2n)2-8n+4m+4因式分解
问题描述:
(m-2n)2-8n+4m+4因式分解
答
原式=﹙m-2n﹚²+4﹙m-2n﹚+2²
=﹙m-2n+2﹚².
(m-2n)2-8n+4m+4因式分解
原式=﹙m-2n﹚²+4﹙m-2n﹚+2²
=﹙m-2n+2﹚².