分解因式①.-a^mb^2m+1+a^m+1b^2m②.3ax^m+1-5ax^m+3ax^m-1 ③.12x^2n+1
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分解因式①.-a^mb^2m+1+a^m+1b^2m②.3ax^m+1-5ax^m+3ax^m-1 ③.12x^2n+1y^m+2-20x^n+1y^2m+3
![分解因式①.-a^mb^2m+1+a^m+1b^2m②.3ax^m+1-5ax^m+3ax^m-1 ③.12x^2n+1](/uploads/image/z/1975930-34-0.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E2%91%A0.-a%5Emb%5E2m%2B1%2Ba%5Em%2B1b%5E2m%E2%91%A1.3ax%5Em%2B1-5ax%5Em%2B3ax%5Em-1+%E2%91%A2.12x%5E2n%2B1)
①
-a^mb^(2m+1)+a^(m+1)b^(2m)
=a^mb^(2m)*(a-b)
②
3ax^(m+1)-5ax^m+3ax^(m-1)
=ax^(m-1)*(3x²-5x+3)
③
12x^(2n+1)y^(m+2)-20x^(n+1)y^(2m+3)
=4x^(n+1)y^(m+2)*[3x^n-5y^(m+1)]
-a^mb^(2m+1)+a^(m+1)b^(2m)
=a^mb^(2m)*(a-b)
②
3ax^(m+1)-5ax^m+3ax^(m-1)
=ax^(m-1)*(3x²-5x+3)
③
12x^(2n+1)y^(m+2)-20x^(n+1)y^(2m+3)
=4x^(n+1)y^(m+2)*[3x^n-5y^(m+1)]
分解因式①.-a^mb^2m+1+a^m+1b^2m②.3ax^m+1-5ax^m+3ax^m-1 ③.12x^2n+1
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