Question

Преобразуйте в многочлен.
(х-6)^2
(7m+3n)^2
(-2y+3)^2

Answer 1

(х-6)^2=x^2-12x+36
(7m+3n)^2=49m^2+42mn+9n^2
(-2y+3)^2=2y^2-12y+9