Question

Помогите пожалуйста​

Answer 1

1.

${6a }^{2} b ^{3}$

$- 3 {a}^{2} {b}^{4}$

$- 20 {a}^{4} {b}^{2}$

$10 {a}^{5} {b}^{5}$

2.

$3 {a}^{5}$

$10 {a}^{2} {b}^{3}$

$- 28 {a}^{3} {b}^{3}$

$- 28 {a}^{3} {b}^{3}$