Question

Решите пожалуйста
(a²-8)(a²+8)=?
x²-10x+25=?​

Answer 1

(a^2-8)(a^2+8)=(a^2)^2-8^2=a^4-64

x^2-10x+25=x^2*x*5+5^2=(x-5)^2

Answer 2

(a²-8)(a²+8)=a^4-64

x²-10x+25=(x-5)^2