Question

помогите пожалуйста( тема:многочлены

Answer 1

1)в)
$3 {a}^{2} b - 3 {ab}^{2} - 3 {a}^{3}$
2)а)
$- a - b - 2 = - ( - 29) - ( - 2) \\ - 2 = 29 + 2 - 2 = 28$
Б)
${m}^{4} - 4 {m}^{3} n + {m}^{2} {n}^{2} - 4 {mn}^{3} = \\ {( - 1)}^{4} - 4 \times {( - 1)}^{3} \times 1 + ( { - 1)}^{2} \\ \times (1 {)}^{2} - 4 \times ( - 1) \times (1 {})^{3} =$
$1 + 4 + 1 + 4 = 10$