1-8x+16x^2=2-8x 怎样做

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1-8x+16x^2=2-8x怎样做1-8x+16x^2=2-8x怎样做1-8x+16x^2=2-8x怎样做1-8x+16x^2=2-8x16x^2=1x^2=1/16x=1/4or-1/41-8x+

1-8x+16x^2=2-8x 怎样做
1-8x+16x^2=2-8x 怎样做

1-8x+16x^2=2-8x 怎样做
1-8x+16x^2=2-8x
16x^2=1
x^2=1/16
x=1/4 or -1/4

1-8x+16x^2=2-8x
即移向
16x^2-8x+1+8x-2=0
合并同类项
16x^2-1=0
16x^2=1
x^2=1/16
所以x=1/4或x=-1/4