[1]2x^4 -2x^2 +1/2 [2] 2x^m+2 -12x^m+1 +10x^m y^2^后面的是指数,必要的误看已隔开了,

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[1]2x^4-2x^2+1/2[2]2x^m+2-12x^m+1+10x^my^2^后面的是指数,必要的误看已隔开了,[1]2x^4-2x^2+1/2[2]2x^m+2-12x^m+1+10x^my

[1]2x^4 -2x^2 +1/2 [2] 2x^m+2 -12x^m+1 +10x^m y^2^后面的是指数,必要的误看已隔开了,
[1]2x^4 -2x^2 +1/2 [2] 2x^m+2 -12x^m+1 +10x^m y^2
^后面的是指数,必要的误看已隔开了,

[1]2x^4 -2x^2 +1/2 [2] 2x^m+2 -12x^m+1 +10x^m y^2^后面的是指数,必要的误看已隔开了,
[1] =1/2 (2x^2-1)^2 [2] 修改了一下,估计提问者写错了,少了一个y 2x^m+2 -12x^m*y+1 +10x^m y^2 =2x^m(x-y)(x-5y)

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