Question

рпзложите на мнижители №148

Answer 1

5m^2n-6an+10m^2-3an^2
=5m^2 (n+2)-3an (n+2)=(n+2)×(5m^2-3an)
8mn^3-24n^2-7mn+21=8n^2 (mn-3)-7(mn-3)=
=(mn-3)×(8n^2-7)