中考计算题精选因式分解强烈推荐 238Word文档格式.docx
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4(m+n)2+(3m+n)(m-3n),其中m=3,n=-1
化简:
(x+4)(x-4)-3(x2-1)
分解因式:
16x3﹣9x=
a2b+2a
9x3+6x2+x
27x2-9
1-2(x-y)+(x-y)2
9-9x2
8x3-8x2+2x
(a-4b)2-(4a-2b)2
2a2-8a+8
(m+n)2+(m+n)(m-2n),其中m=3,n=-3
(x+2)(x-2)-2(x2-3)
x3﹣25x=
a2b+6a
50x2-25
16+32(x-y)+16(x-y)2
4-9x2
12x3+12x2+3x
(2a+3b)2-(4a-2b)2
(m+n)2+(m+n)(m-2n),其中m=2,n=-2
(x+3)(x-3)-2(x2-3)
16x3﹣16x=
ab+7a
16x3-16x2+4x
1+2(x-y)+(x-y)2
2x3-8x2+8x
(2a-4b)2-(3a+b)2
12a2-12a+3
4(m+n)2+(2m+n)(m-2n),其中m=2,n=-2
(x+1)(x-1)-3(x2-2)
x3﹣16x=
ab+6a
4x3+4x2+x
32x2-16
9-24(x-y)+16(x-y)2
16-4x2
3x3+12x2+12x
(2a-4b)2-(3a-2b)2
2a2+8a+8
2(m+n)2+(m+n)(m-2n),其中m=1,n=-1
(x+2)(x-2)-3(x2-1)
x3-8x2+16x
75x2-25
25-40(x-y)+16(x-y)2
12x3-24x2+12x
(2a-4b)2-(4a+2b)2
4(m+n)2+(3m+n)(m-2n),其中m=1,n=-3
(x+2)(x-2)-2(x2-4)
9x3﹣36x=
a2b+9a
16x3+32x2+16x
16-8(x-y)+(x-y)2
4-4x2
3x3-12x2+12x
3a2+6a+3
3(m+n)2+(2m+n)(m-n),其中m=3,n=-3
(x+1)(x-1)-2(x2-1)
16x3﹣x=
a2b+3a
9x3+12x2+4x
9x2-9
9-18(x-y)+9(x-y)2
16-x2
(a+3b)2-(4a+2b)2
3a2+12a+12
3(m+n)2+(3m+n)(m-n),其中m=2,n=-1
(x+4)(x-4)-3(x2-2)
x3﹣x=
4x3+16x2+16x
12x2-4
36-48(x-y)+16(x-y)2
(a-3b)2-(3a+2b)2
3a2-12a+12
(m+n)2+(2m+n)(m-n),其中m=1,n=-3
(x+4)(x-4)-2(x2-4)
16x3﹣36x=
ab+9a
x3-2x2+x
4-12(x-y)+9(x-y)2
9-x2
2x3+8x2+8x
(a+4b)2-(3a+b)2
12a2-24a+12
(m+n)2+(3m+n)(m-2n),其中m=1,n=-2
(x+4)(x-4)-2(x2-3)
a3b+7a
x3-4x2+4x
8x2-4
4+12(x-y)+9(x-y)2
(m+n)2+(m+n)(m-n),其中m=3,n=-3
(x+4)(x-4)-3(x2-4)
x3﹣36x=
a3b+8a
x2-1
9-30(x-y)+25(x-y)2