Question

(a-4)(a+4)-2a(3-a) Преобразуйте в многочлен

Answer 1

= a^2 - 4^2 - 6a + 2a^2 = 
= a^2 - 16 - 6a  +2a^2 = 
= 3a^2 - 6a - 16 

Answer 2

(a-4)(a+4)-2a(3-a)=а²-4а+4а-16-6а+2а²=3а²-6а-16