Question

Разложите на множители:5m^2n-6an+10m^2-3an^2

Answer 1

$5m^2n-6an+10m^2-3an^2=(5m^2n+10m^2)-(3an^2+6an)= \ =5m^2(n+2)-3an(n+2)=(5m^2-3an)(n+2)$