Вопрос пользователя:
(4n+7)(2n+3)=?
(7z-2)(z-3)=?
(6z-y)(2z-y)=?
(10x+3z)(10x-5z)=?
Илюха отвечает:
1] 8n^2+26n+21
2}7z^2-23z+6
3}12z^2-8zy +y^2
4}100x^2-20zx-15z^2
(4n+7)(2n+3)=?
(7z-2)(z-3)=?
(6z-y)(2z-y)=?
(10x+3z)(10x-5z)=?
1] 8n^2+26n+21
2}7z^2-23z+6
3}12z^2-8zy +y^2
4}100x^2-20zx-15z^2