中考计算题精选因式分解强烈推荐 107Word文档下载推荐.docx
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ab+9a
9x3+18x2+9x
8x2-4
36-48(x-y)+16(x-y)2
4-x2
3x3+6x2+3x
(2a+4b)2-(3a+b)2
2a2-8a+8
3(m+n)2+(2m+n)(m-n),其中m=3,n=-1
(x+2)(x-2)-2(x2-4)
16x3﹣25x=
a2b+4a
9x3-30x2+25x
2x2-1
1-8(x-y)+16(x-y)2
9-9x2
2x3-8x2+8x
(a-3b)2-(4a+2b)2
12a2+12a+3
3(m+n)2+(3m+n)(m-n),其中m=3,n=-3
(x+3)(x-3)-3(x2-2)
x3﹣16x=
ab+4a
9x3+12x2+4x
x2-1
4+16(x-y)+16(x-y)2
4-16x2
8x3+8x2+2x
(2a-3b)2-(4a+2b)2
2a2+8a+8
(m+n)2+(m+n)(m-n),其中m=2,n=-3
(x+3)(x-3)-3(x2-5)
9x3﹣16x=
a2b+7a
x3+4x2+4x
4x2-4
1+10(x-y)+25(x-y)2
4-9x2
2x3-4x2+2x
(2a-4b)2-(3a-2b)2
2(m+n)2+(2m+n)(m-n),其中m=3,n=-1
(x+2)(x-2)-3(x2-2)
9x3﹣9x=
x3-8x2+16x
4-20(x-y)+25(x-y)2
9-x2
12x3+12x2+3x
(a-3b)2-(3a-2b)2
12a2-12a+3
2(m+n)2+(2m+n)(m-2n),其中m=3,n=-3
(x+1)(x-1)-3(x2-1)
ab+8a
4x3-4x2+x
32x2-16
1+8(x-y)+16(x-y)2
3x3+12x2+12x
3a2-6a+3
(m+n)2+(2m+n)(m-3n),其中m=2,n=-1
(x+4)(x-4)-3(x2-3)
16x3﹣x=
a3b+2a
16x3+32x2+16x
50x2-25
1+4(x-y)+4(x-y)2
16-9x2
12x3-12x2+3x
(a+3b)2-(4a-2b)2
(m+n)2+(3m+n)(m-3n),其中m=2,n=-1
(x+2)(x-2)-3(x2-3)
16x3﹣36x=
a3b+5a
16-16(x-y)+4(x-y)2
12x3+24x2+12x
(2a+4b)2-(4a+2b)2
12a2+24a+12
4(m+n)2+(2m+n)(m-3n),其中m=3,n=-1
(x+2)(x-2)-3(x2-1)
4x3﹣9x=
a3b+7a
16x3+24x2+9x
9x2-9
25-40(x-y)+16(x-y)2
9-4x2
(a+4b)2-(3a+2b)2
3a2-12a+12
2(m+n)2+(m+n)(m-3n),其中m=3,n=-1
(x+2)(x-2)-2(x2-1)
9x3﹣36x=
a3b+a
9x3-18x2+9x
75x2-25
16+40(x-y)+25(x-y)2
2(m+n)2+(2m+n)(m-n),其中m=1,n=-3
(x+1)(x-1)-3(x2-3)
a2b+6a
12x2-4
4+20(x-y)+25(x-y)2
8x3-8x2+2x
4(m+n)2+(3m+n)(m-3n),其中m=2,n=-1