1.-a^3-4a^2+12a2.2x^2+15x+73.3a^2-8a+44.5x^2+7x-65.6y-11y-10

1.-a^3-4a^2+12a2.2x^2+15x+73.3a^2-8a+44.5x^2+7x-65.6y-11y-10
1.-a^3-4a^2+12a
2.2x^2+15x+7
3.3a^2-8a+4
4.5x^2+7x-6
5.6y-11y-10

1.-a^3-4a^2+12a2.2x^2+15x+73.3a^2-8a+44.5x^2+7x-65.6y-11y-10
1,-a(a-2)(a-6)
2,(x-7)(2x-1)
3,(3a-2)(a-2)
4,(x+2)(5x-3)
5,2(x-1)(3x-5)