(2m-n)^2-(m+2n)^2
(3n+2p)^2-(5p-2n)^2 РАзложите на множители!

1)(2m-n-m-2n)(2m-n+m+2n)=(m-3n)(3m+n)
2)(3n+2p-5p+2n)(3n+2p+5p-2n)=(5n-3p)(n+7p)