(3m²-n²)²-(m²-3n²)²因式分解_数学解答

(3m²-n²)²-(m²-3n²)²因式分解

人气：381 ℃　时间：2019-10-01 09:29:36

解答

(3m²-n²)²-(m²-3n²)²=[(3m²-n²)+(m²-3n²)][(3m²-n²)-(m²-3n²)]=(4m²-4n²)(2m²+2n²)=8(m²-n²)(m²+n...