Question

Помогите пж, дам 50 баллов!

Answer 1

Ответ:

5x² - 45 = 5(x² - 9) = 5(x - 3)(x + 3)

ax² - 4a = a(x² - 4) = a(x - 2)(x + 2)

5x³ - 5a²x = 5x(x² - a²) = 5x(x - a)(x + a)