中考计算题精选因式分解强烈推荐 69Word文档下载推荐.docx
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(x+4)(x-4)-2(x2-3)
分解因式:
4x3﹣9x=
a2b+a
9x3+24x2+16x
x2-1
25-10(x-y)+(x-y)2
4-x2
3x3-6x2+3x
(a+4b)2-(3a+2b)2
8a2+8a+2
(m+n)2+(m+n)(m-2n),其中m=1,n=-1
(x+4)(x-4)-3(x2-5)
4x3﹣4x=
ab+5a
x3-10x2+25x
2x2-1
36-12(x-y)+(x-y)2
(2a+4b)2-(3a-b)2
8a2+16a+8
3(m+n)2+(3m+n)(m-3n),其中m=1,n=-3
(x+1)(x-1)-3(x2-2)
16x3﹣25x=
a3b+5a
x3+6x2+9x
3x2-1
4+20(x-y)+25(x-y)2
16-9x2
8x3-8x2+2x
8a2-16a+8
4(m+n)2+(2m+n)(m-3n),其中m=2,n=-3
(x+1)(x-1)-2(x2-4)
x3﹣9x=
4x3-16x2+16x
9x2-9
9-18(x-y)+9(x-y)2
8x3+16x2+8x
(a+4b)2-(3a-2b)2
2(m+n)2+(m+n)(m-3n),其中m=2,n=-3
(x+4)(x-4)-2(x2-5)
9x3﹣16x=
a2b+2a
16x3-32x2+16x
12x2-4
1-6(x-y)+9(x-y)2
2x3+4x2+2x
(2a+4b)2-(3a-2b)2
3a2-12a+12
3(m+n)2+(m+n)(m-2n),其中m=1,n=-3
25x3﹣x=
a2b+6a
16x3-40x2+25x
36-24(x-y)+4(x-y)2
9-16x2
3x3-12x2+12x
(2a-3b)2-(4a-b)2
12a2+12a+3
4(m+n)2+(m+n)(m-2n),其中m=2,n=-3
(x+4)(x-4)-3(x2-2)
25x3﹣16x=
9x3-30x2+25x
18x2-9
25-30(x-y)+9(x-y)2
9-4x2
12a2+24a+12
4(m+n)2+(2m+n)(m-n),其中m=2,n=-1
(x+4)(x-4)-3(x2-4)
9x3-12x2+4x
48x2-16
3x3+12x2+12x
(a+4b)2-(4a+2b)2
4(m+n)2+(3m+n)(m-3n),其中m=2,n=-2
(x+3)(x-3)-3(x2-4)
25x3﹣25x=
ab+8a
x3+8x2+16x
4-4(x-y)+(x-y)2
12x3+12x2+3x
(2a-4b)2-(4a+2b)2
8a2-8a+2
(m+n)2+(2m+n)(m-3n),其中m=2,n=-3
(x+3)(x-3)-2(x2-5)
25x3﹣4x=
a3b+7a
x3+2x2+x
1-4(x-y)+4(x-y)2
16-x2
(a+3b)2-(4a-2b)2
3a2-6a+3
2(m+n)2+(m+n)(m-2n),其中m=2,n=-2
(x+1)(x-1)-2(x2-1)
4x3﹣x=
4x3-12x2+9x
4x2-4
4+16(x-y)+16(x-y)2
2x3-8x2+8x
(2a+4b)2-(3a+2b)2