(x-2)(x+2)≦2(x²+4)-(x+5)(x+3)-17,

问题描述:

(x-2)(x+2)≦2(x²+4)-(x+5)(x+3)-17,
明天要上交 十万火急TAT!

答:
(x-2)(x+2)x^2-4x^2-48xx