Verified answer

Объяснение:

[tex]8 {a}^{3} - 4 {a}^{4} - 24 {a}^{7} = 4 { a}^{3} (2 - a- 6 {a}^{4| } )[/tex]

[tex] {a}^{3} + 8b - 8a - {a}^{2} b = {a}^{2} (a - b) - 8(a - b) = (a - b)( {a}^{2} - 8)[/tex]