Question

2(b+2)(b+3)-(b-1)в кубе. преобразовать в многочлен

Answer 1

2(b^2+5b+6)-(b-1)^3

2b^2+10b+12-b^3+3b^2- 3b+1 = -b^3+5b^2+7b+13

Answer 2

2(b+2)(b+3)-(b-1)^3=2b^2+10b+12-b^3+3b^2-3b+1=5b^2+7b+13-b^3