Question

(3a+2a)•1-6a9a²
1-3a. 3a+1. ba²+10a

Answer 1

$(3a + 2a) \times 1 - 6a \times 9a {}^{2} \\ (3a + 2a) - 6a \times 9a {}^{2} \\ 5a - 6a \times9 a {}^{2} \\ 5a - 54a {}^{3}$
ответ не какой