中考计算题精选因式分解强烈推荐 209Word格式文档下载.docx
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12x3-12x2+3x
(2a-4b)2-(4a+2b)2
8a2-8a+2
化简并求值:
3(m+n)2+(2m+n)(m-2n),其中m=2,n=-1
(x+4)(x-4)-3(x2-3)
25x3﹣16x=
a2b+9a
16x3-24x2+9x
4x2-4
9-6(x-y)+(x-y)2
9-9x2
3x3+12x2+12x
(a+4b)2-(3a-2b)2
8a2+16a+8
3(m+n)2+(3m+n)(m-n),其中m=1,n=-2
(x+3)(x-3)-2(x2-2)
16x3﹣16x=
a2b+6a
9x3-30x2+25x
50x2-25
16-40(x-y)+25(x-y)2
8x3+8x2+2x
(a-4b)2-(3a-b)2
12a2+24a+12
3(m+n)2+(3m+n)(m-3n),其中m=3,n=-2
(x+4)(x-4)-2(x2-4)
x3﹣x=
ab+2a
16x3-32x2+16x
9x2-9
1-8(x-y)+16(x-y)2
4-x2
12x3+12x2+3x
(2a+4b)2-(4a-2b)2
12a2+12a+3
3(m+n)2+(2m+n)(m-n),其中m=1,n=-1
(x+3)(x-3)-3(x2-5)
16x3﹣x=
ab+6a
8x2-4
1-4(x-y)+4(x-y)2
9-16x2
(a+4b)2-(4a-b)2
2(m+n)2+(3m+n)(m-n),其中m=2,n=-2
(x+1)(x-1)-2(x2-5)
ab+3a
4x3+16x2+16x
32x2-16
25-30(x-y)+9(x-y)2
4-16x2
2x3+8x2+8x
4(m+n)2+(3m+n)(m-n),其中m=2,n=-2
(x+4)(x-4)-3(x2-4)
a2b+a
4x3+12x2+9x
16-32(x-y)+16(x-y)2
16-9x2
12x3+24x2+12x
(2a+3b)2-(3a+2b)2
2a2+4a+2
(m+n)2+(m+n)(m-n),其中m=1,n=-3
(x+4)(x-4)-3(x2-5)
4x3﹣25x=
ab+9a
9x3-18x2+9x
1+6(x-y)+9(x-y)2
4-4x2
(a+3b)2-(3a+b)2
2a2-8a+8
2(m+n)2+(2m+n)(m-3n),其中m=2,n=-2
(x+4)(x-4)-3(x2-2)
a2b+3a
4x3+4x2+x
16x2-16
36+36(x-y)+9(x-y)2
(a+4b)2-(3a+b)2
2a2+8a+8
(m+n)2+(2m+n)(m-n),其中m=2,n=-3
9x3﹣9x=
9x3+24x2+16x
12x2-4
25-20(x-y)+4(x-y)2
4-9x2
(2a-3b)2-(4a-2b)2
12a2-24a+12
3(m+n)2+(2m+n)(m-3n),其中m=2,n=-3
(x+3)(x-3)-2(x2-1)
25x3﹣4x=
a3b+7a
16x3+32x2+16x
1+4(x-y)+4(x-y)2
8x3-16x2+8x
(a+3b)2-(3a-2b)2
2a2-4a+2
3(m+n)2+(2m+n)(m-3n),其中m=2,n=-1
(x+3)(x-3)-2(x2-4)
4x3﹣9x=
ab+7a
9x3-12x2+4x