Question

преобразуйте в многочлен:
(x-6)^2. (7m+3n)^2. (-2y+3)^2. (-x^3-4x)^2.

Answer 1

1)x^2-12x+36
2)49m^2+42mn+9n^2
3)4y^2-12y+9
4)x^6-4x^4+16x^2