Question

помогите(7a⁵-3c)(7a⁵-3c)​

Answer 1

Ответ:

$\\ (7a {}^{5} - 3c)(7a {} {}^{5} - 3c) = (7a {}^{5} - 3c) {}^{2} = 49a {}^{10} - 42a {}^{5} c + 9c {}^{2}$