Question

(1+2a-a²)×5a помогите пж​

Answer 1

Ответ:

Упрощение

$\\ (1 + 2a - a {}^{2} \times 5a \\ 5a + 10a {}^{2} + 5a {}^{3} \\ - 5a {}^{3} + 10a {}^{2} + 5a$