Question

5a^2-125b^2 Помогите,в долгу не останусь))

Answer 1

(a×sqrt5-5b×sqrt5)(a×sqrt5+5b×sqrt5)

Answer 2

5a²-125b²=5*(a²-25b²)=5*(a²-(5b)²)=5*(a+5b)(a-5b).