因式分解:x^2+4xy+4y^2
问题描述:
因式分解:x^2+4xy+4y^2
答
=x²+2×x×2y+(2y)²
=(x+2y)²
因式分解:x^2+4xy+4y^2
=x²+2×x×2y+(2y)²
=(x+2y)²