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化简m^2-2m+1+m^2-6m+9 因式分解12x^2+5x-2
人气:282 ℃ 时间:2020-06-02 04:45:20
解答
m^2-2m+1+m^2-6m+9
=2m^2-8m+10
12x^2+5x-2
=(4x-1)(3x+2)
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