Разложите на множители 4a(x-y)+4az+7b(y-x-z)

4ах-4ау+4аz+7by-7bx+7bz= 4a(x-y+z)+7b(y-x+z)=4a(x-y+z)-7b(x-y+z)=(4a-7b)(x-y+z)

4ax-4ay+4az+7by-7xb-7bz=4a(x-y+z)+7b(y-x-z)=(4a-7b)+(x-y-z)