33.15. 1) (x + 2) - (x - 2)3 = 2x (6x + 2); 2) (x + 3) - (x – 4)3 = 21x2 + 7;
3) (x + 2) + 3x2 - 11 = (x + 3)3;
4) (x - 3)3 = x(x - 9) + 27 ​

solodkin1978    2   08.02.2021 12:30    2