А) 3v^8 + v^2 - 3v^18 = -3v^18 + 3v^8 + v^2
Б) (v^5 - v^2)^2 = v^10 - 2v^7 + v^4
В) (2 - v^3)(2 + v^3) = 4 - 2v^3 + 2v^3 - v^6 = 4 - v^6
А) 3v^8 + v^2 - 3v^18 = -3v^18 + 3v^8 + v^2
Б) (v^5 - v^2)^2 = v^10 - 2v^7 + v^4
В) (2 - v^3)(2 + v^3) = 4 - 2v^3 + 2v^3 - v^6 = 4 - v^6