初一下册6.2,提取公因式!多项式ax-ay应提取的公因式是______多项式x^2+xy-xz应提取的公因式是______多项式3mx-6nx^2应提取的公因式是______x-y=+(_____)-x-x=-(_____)1-m+n=1-(_____)x+xy=x(_____)m^2n-mn^2=mn(_____)-3ax^3
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![初一下册6.2,提取公因式!多项式ax-ay应提取的公因式是______多项式x^2+xy-xz应提取的公因式是______多项式3mx-6nx^2应提取的公因式是______x-y=+(_____)-x-x=-(_____)1-m+n=1-(_____)x+xy=x(_____)m^2n-mn^2=mn(_____)-3ax^3](/uploads/image/z/3945162-66-2.jpg?t=%E5%88%9D%E4%B8%80%E4%B8%8B%E5%86%8C6.2%2C%E6%8F%90%E5%8F%96%E5%85%AC%E5%9B%A0%E5%BC%8F%21%E5%A4%9A%E9%A1%B9%E5%BC%8Fax-ay%E5%BA%94%E6%8F%90%E5%8F%96%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF______%E5%A4%9A%E9%A1%B9%E5%BC%8Fx%5E2%2Bxy-xz%E5%BA%94%E6%8F%90%E5%8F%96%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF______%E5%A4%9A%E9%A1%B9%E5%BC%8F3mx-6nx%5E2%E5%BA%94%E6%8F%90%E5%8F%96%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF______x-y%3D%2B%28_____%29-x-x%3D-%28_____%291-m%2Bn%3D1-%28_____%29x%2Bxy%3Dx%28_____%29m%5E2n-mn%5E2%3Dmn%28_____%29-3ax%5E3)
初一下册6.2,提取公因式!多项式ax-ay应提取的公因式是______多项式x^2+xy-xz应提取的公因式是______多项式3mx-6nx^2应提取的公因式是______x-y=+(_____)-x-x=-(_____)1-m+n=1-(_____)x+xy=x(_____)m^2n-mn^2=mn(_____)-3ax^3
初一下册6.2,提取公因式!
多项式ax-ay应提取的公因式是______
多项式x^2+xy-xz应提取的公因式是______
多项式3mx-6nx^2应提取的公因式是______
x-y=+(_____)
-x-x=-(_____)
1-m+n=1-(_____)
x+xy=x(_____)
m^2n-mn^2=mn(_____)
-3ax^3-6a^2x2=-3ax^2(____)
多项式分解因式(过程要完整)
a2-2a
x^6-x^5
12s^2t-20st^2
2a^4-6a^3-2a^3
-4a^2b-6ab^2=8ab
3a(x-y)-6b(y-x)
初一下册6.2,提取公因式!多项式ax-ay应提取的公因式是______多项式x^2+xy-xz应提取的公因式是______多项式3mx-6nx^2应提取的公因式是______x-y=+(_____)-x-x=-(_____)1-m+n=1-(_____)x+xy=x(_____)m^2n-mn^2=mn(_____)-3ax^3
多项式ax-ay应提取的公因式是______ a
多项式x^2+xy-xz应提取的公因式是______ x
多项式3mx-6nx^2应提取的公因式是______ 3x
x-y=+(x-y)
-x-x=-(x+x)=-(2x)
1-m+n=1-(m-n)
x+xy=x(1+y)
m^2n-mn^2=mn(m-n)
-3ax^3-6a^2x2=-3ax^2(x+2a)
多项式分解因式(过程要完整)
a2-2a
=a(a-2)
x^6-x^5
=x^5(x-1)
12s^2t-20st^2
=4st(3s-5t)
2a^4-6a^3-2a^3
=2a^4-8a^3
=2a^3(a-4)
-4a^2b-6ab^2=8ab
4a^2b+6ab^2+8ab=0.
2a^2b+3ab^2+4ab=0
ab(2a+3b+4)=0
3a(x-y)-6b(y-x)
=3a(x-y)+6b(x-y)
=3(a-2b)(x-y)
不懂的不明白的hi我