解(x+1)3-(x-1)3=40x+16oo

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解(x+1)3-(x-1)3=40x+16oo
解(x+1)3-(x-1)3=40x+16
oo

解(x+1)3-(x-1)3=40x+16oo
(x+1)3-(x-1)3=40x+16
3[(x+1)-(x-1)]=40x+16
3(x+1-x+1)=40x+16
6=40x+16
40x=-10
x=-1/4

(x+1)3-(x-1)3=40x+16
化简
3x+3-3x+3=40x+16
40x=-10
x=-1/4

x=-1/4

化简结果是40X=-10
X=-1/4