Question

срочно!!!!!!!!!!!!!!​

Answer 1

Ответ:

16x²+y²-8xy----------(4x-y)²

(3y-7z)(3y+7z)----9y²-49z²

4t²-24t+36------------(2t-6)²

x²-9-----------------(x-3)(x+3)

14a+a²+49-------------(a+7)²

a²+6a+9---------------(a+3)²