(3m+2n)²-(2m+3n)
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(3m+2n)²-(2m+3n)(3m+2n)²-(2m+3n)(3m+2n)²-(2m+3n)(3m+2n)²-(2m+3n)²帮你加一个平方=(3
(3m+2n)²-(2m+3n)
(3m+2n)²-(2m+3n)
(3m+2n)²-(2m+3n)
(3m+2n)²-(2m+3n)² 帮你加一个平方
=(3m+2n+2m+3n)(3m+2n-2m-3n)
=(5m+5n)(m-n)
=5(m+n)(m-n)
(3m+2n)²-(2m+3n)
=(3m+2n)(3m+2n-1)
祝你学习进步,有不明白的可以追问!谢谢!!