中考计算题精选因式分解强烈推荐 233Word下载.docx
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16-8(x-y)+(x-y)2
4-x2
12x3+24x2+12x
(2a-4b)2-(3a+b)2
8a2+16a+8
2(m+n)2+(3m+n)(m-2n),其中m=2,n=-1
9x3﹣16x=
a3b+3a
x3+2x2+x
2x2-1
16-40(x-y)+25(x-y)2
4-4x2
8x3-8x2+2x
(2a+3b)2-(4a-2b)2
3a2-6a+3
4(m+n)2+(m+n)(m-n),其中m=3,n=-3
(x+4)(x-4)-3(x2-5)
9x3﹣25x=
a3b+4a
16x3-16x2+4x
12x2-4
36-60(x-y)+25(x-y)2
9-4x2
3x3-12x2+12x
(a-3b)2-(4a+b)2
8a2-8a+2
(m+n)2+(3m+n)(m-2n),其中m=1,n=-2
(x+4)(x-4)-2(x2-4)
x3﹣16x=
9x3+30x2+25x
x2-1
36-12(x-y)+(x-y)2
9-x2
12x3-24x2+12x
(a+3b)2-(3a+b)2
2a2-4a+2
2(m+n)2+(2m+n)(m-2n),其中m=3,n=-3
(x+3)(x-3)-2(x2-4)
9x3﹣36x=
ab+8a
16x3+8x2+x
3x2-1
16-16x2
(2a-4b)2-(4a+2b)2
2a2+8a+8
(m+n)2+(2m+n)(m-3n),其中m=2,n=-2
(x+2)(x-2)-3(x2-3)
25x3﹣x=
x3+4x2+4x
25-40(x-y)+16(x-y)2
9-16x2
2x3-8x2+8x
(2a-3b)2-(3a-2b)2
2a2-8a+8
x3﹣25x=
ab+5a
4x2-4
9+30(x-y)+25(x-y)2
16-x2
2x3+4x2+2x
(a+4b)2-(4a-b)2
2(m+n)2+(3m+n)(m-2n),其中m=2,n=-2
(x+4)(x-4)-3(x2-4)
25x3﹣25x=
4x3+4x2+x
50x2-25
25+50(x-y)+25(x-y)2
9-9x2
2x3-4x2+2x
(2a-3b)2-(4a+2b)2
3a2+12a+12
2(m+n)2+(m+n)(m-n),其中m=2,n=-1
(x+4)(x-4)-2(x2-5)
25x3﹣9x=
a2b+3a
16x3+32x2+16x
32x2-16
4-16(x-y)+16(x-y)2
12x3-12x2+3x
(a+3b)2-(4a+b)2
(m+n)2+(3m+n)(m-3n),其中m=1,n=-3
(x+1)(x-1)-3(x2-3)
a3b+8a
9x3+18x2+9x
9-18(x-y)+9(x-y)2
16-4x2
(a+3b)2-(4a-b)2
3(m+n)2+(3m+n)(m-2n),其中m=1,n=-3
(x+4)(x-4)-3(x2-1)
16x3﹣x=
a2b+8a
36+24(x-y)+4(x-y)2
4-16x2
(2a-4b)2-(4a+b)2
4(m+n)2+(3m+n)(m-n),其中m=1,n=-2
(x+1)(x-1)-3(x2-5)
25x3﹣4x=
ab+6a
4x3-4x2+x