(a-3)(a+2)-(a^3-3a^2+3a-1)=a^2+a2-3a-6-a^3+3a+1=4a^2-4a-5-a^3=-a^3+4a^2-4a-52(b+1)(b+4)+(b−6)(b 2 +6b+36)=
(2b+2)(b+4)+b ^3 +b ^2 6+b36−6b ^2 −36b−216=
(2b+2)(b+4)+b ^3 −216=
2b ^2 +8b+2b+8+b ^3 −216=
(a-3)(a+2)-(a^3-3a^2+3a-1)=a^2+a2-3a-6-a^3+3a+1=4a^2-4a-5-a^3=-a^3+4a^2-4a-52(b+1)(b+4)+(b−6)(b 2 +6b+36)=
(2b+2)(b+4)+b ^3 +b ^2 6+b36−6b ^2 −36b−216=
(2b+2)(b+4)+b ^3 +b36−36b−216= (2b+2)(b+4)+b ^3 +36b−36b−216=(2b+2)(b+4)+b ^3 −216=
2b ^2 +8b+2b+8+b ^3 −216=
2b ^2 +10b−208+b ^3 = b^ 3 +2b^ 2 +10b−208