Question

化简求值(1-2x)^2(2x+1)^2-(3+2x)^2(3-2x)^2

啊，都吃晚饭了还没人来啊，明天要交的急啊

Answer 1

(1-2x)^2(2x+1)^2-(3+2x)^2(3-2x)^2
=(2x-1)^2(2x+1)^2-(2x+3)^2(2x-3)^2
=(4x^2-1)^2-(4x^2-9)^2
=((4x^2-1)+(4x^2-9))((4x^2-1)-(4x^2-9))
=(8x^2-10)*8
=16(4x^2-5)