Ответ:
[tex](2a + ab - 3c) \times ( - 4a) = - 2a \times 4a - ab \times 4a - 3c \times ( - 4a) = - 8 {a}^{2} - 4 {a}^{2} b + 12ac[/tex]
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Ответ:
[tex](2a + ab - 3c) \times ( - 4a) = - 2a \times 4a - ab \times 4a - 3c \times ( - 4a) = - 8 {a}^{2} - 4 {a}^{2} b + 12ac[/tex]