Ответ:\(6a-15b=3(2a-5b)\).\(2a+ab=a(2+b)\).\(7am+7bn=7(am+bn)\).\(4x^2-12xy=4x(x-3y)\).\(a^6+a^2=a^2(a^4+1)\).\(12m^2n-4mn=4mn(3m-1)\).\(2x^2-4x^3+10x^4=2x^2(1-2x+5x^2)\).\(10a^8b^2-15a^7b^3=5a^7b^2(2a-3b)\).