人教版初二数学上册多项式乘多项式练习题精选42.docx
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人教版初二数学上册多项式乘多项式练习题精选42
(x+4)(3x+4)(x+y)(2x-y)
(x-y)(x2+xy-y2)(2m+8n)(m+n)
(a-1)2(3a-b)(4a+6b)
(2x2+3)(4x+6)(3x2-3x-3)(x-1)
(x-3)(x-3)(x+1)(x+6)
(y-3)(y+3)(y+3)(y+1)
(-x3)(-5x-3)-4a(5a-2b)(2x+7y)(-8x)
31
(—ab3-6ab)•—ab2x(x+1)-2x(x-3)-x(4x-4)
43
(2x-9)(2x-5)(2x+3y)(x+y)
(x-y)(x2+2xy+y2)(3m-n)(m-9n)
(3a+3)2(4a+5b)(2a-9b)
(x2+2)(4x+7)(2x2-x+1)(3x+2)
(x-1)(x+1)(x-2)(x-1)
(y+2)(y-3)(y-3)(y+3)
(-3x2)(2x+5)8a(3a+9b)(6x+3y)(-8x)
51
(—ab3-2ab)•—ab32x(4x-4)-x(3x-3)+3x(x+1)
65
(x-7)(x-8)(x-y)(4x-4y)
(3x-y)(x2-xy+y2)(3m+n)(m-n)
(a-2)2(4a-9b)(4a+7b)
(x2-4)(x+5)(4x2-4x-1)(4x-3)
(x-2)(x-2)(x-2)(x+1)
(y-1)(y-2)(y-3)(y+1)
(-x3)(9x+2)-9a(5a-3b)(7x-3y)(-7x)
51
(—ab3+2ab)•—ab22x(x-2)+3x(x-1)-4x(x+4)
45
(x+7)(x+8)(x+8y)(2x-y)
(2x-y)(x2+2xy+y2)(m-4n)(m-n)
(a-4)2(4a-b)(3a-2b)
(x2-6)(x+1)(4x2-x+2)(3x-2)
(x+2)(x-2)(x-4)(x+3)
(y-4)(y+2)(y+3)(y+3)
(-x4)(-9x-9)-8a(5a-8b)(3x-2y)(-7x)
41
(—ab3+3ab)•—ab22x(x+3)+4x(x+2)-x(x-4)
34
(3x-9)(x-6)(2x+y)(2x-6y)
(2x+3y)(x2-xy+y2)(m+2n)(m-6n)
(a-2)2(4a-8b)(a+b)
(2x2-8)(2x+7)(x2+x+1)(x+2)
(x+4)(x+2)(x+3)(x-3)
(y-3)(y+2)(y+4)(y-1)
(-x4)(9x+7)4a(6a+6b)(7x+2y)(-8x)
51
(—ab2+4ab)•—abx(2x+2)+3x(x+1)+x(3x+4)
65
(2x-6)(x-1)(3x+5y)(x+7y)
(3x-y)(x2-xy+y2)(m-n)(m+n)
(a+1)2(a-4b)(a+7b)
(x2-4)(x-4)(4x2+2x+1)(3x+3)
(x+3)(x+1)(x+4)(x-2)
(y+2)(y-3)(y-4)(y+3)
(-x4)(9x+5)6a(9a+9b)(6x+9y)(-5x)
41
(—ab3-4ab)•—ab22x(x-4)+x(x+1)-x(x+2)
54
(x+5)(4x-7)(4x+9y)(x-5y)
(3x+y)(x2+3xy-y2)(m+5n)(4m-n)
(a-3)2(a-b)(4a+6b)
(x2-9)(3x+6)(2x2-x-2)(x-2)
(x+2)(x-1)(x-4)(x-1)
(y+4)(y-3)(y+2)(y+2)
(-x3)(7x-8)2a(9a-7b)(9x-2y)(-5x)
51
(—ab3+4ab)•—ab2x(3x-4)+3x(3x-3)-2x(x-1)
45
(2x+5)(x-1)(x-y)(x+y)
(3x-y)(x2+xy+y2)(4m+n)(m-n)
(a-3)2(a+5b)(a+3b)
(2x2-5)(x+6)(x2-x-1)(3x-1)
(x+3)(x-3)(x-3)(x+3)
(y-3)(y+3)(y+1)(y-2)
(-x3)(-5x-1)-6a(4a-2b)(7x-4y)(-2x)
41
(—ab2-5ab)•—abx(x+1)+2x(x+1)+x(x+3)
54
(4x-7)(4x-4)(2x+y)(4x-9y)
(x-2y)(x2+2xy-y2)(3m-7n)(3m+8n)
(a-2)2(a+6b)(a-7b)
(x2-6)(2x+2)(x2-4x-1)(2x+2)
(x+4)(x+3)(x+6)(x+4)
(y+3)(y-2)(y+4)(y-3)
(-x2)(9x-9)-5a(6a-4b)(5x+2y)(-2x)
31
(—ab3+4ab)•—ab2x(x-3)+4x(4x+2)-x(x-2)
43
(2x+8)(4x+4)(2x+7y)(x-y)
(x+y)(x2+3xy-y2)(2m-n)(m-n)
(a+2)2(a-b)(a+6b)
(4x2-7)(4x-2)(x2+2x+3)(2x-3)
(x-3)(x-1)(x-1)(x+2)
(y+2)(y-3)(y-3)(y-1)
(-9x4)(-8x-2)2a(7a-7b)(9x+2y)(-4x)
41
(—ab2-2ab)•—ab32x(4x+1)-x(2x-3)+4x(4x-2)
54
(x+1)(x-1)(x-y)(2x-2y)
(x-y)(x2-xy+y2)(m-n)(m+9n)
(a-2)2(4a+6b)(4a-b)
(x2+7)(4x+3)(4x2+x-2)(x+3)
(x+1)(x-2)(x-2)(x-6)
(y+1)(y+3)(y-2)(y-2)
(-9x4)(3x+6)-4a(3a+7b)(4x+3y)(-5x)
41
(—ab3+6ab)•—ab2x(x+4)+x(x-1)-x(x+4)
54
(x-5)(3x+2)(x+4y)(x-9y)
(x-2y)(x2+xy-y2)(2m-n)(m-n)
(2a-1)2(a+8b)(4a-b)
(x2-7)(x-9)(3x2+x-2)(x-2)
(x+1)(x+2)(x-5)(x-6)
(y+1)(y+2)(y-4)(y-1)
(-9x4)(-9x-5)2a(8a+3b)(6x+3y)(-4x)
41
(—ab2-2ab)•—abx(4x-2)+3x(2x+4)-x(x+3)
34
(x+6)(x+5)(3x-y)(x-y)
(3x+y)(x2-3xy-y2)(m+2n)(m-6n)
(4a+3)2(4a+6b)(a-5b)
(x2-2)(x+7)(2x2-3x+2)(3x+2)
(x+1)(x+3)(x+5)(x+2)
(y+1)(y+1)(y+1)(y+1)
(-9x4)(8x-7)-8a(9a-9b)(6x-7y)(-2x)
41
(—ab2+6ab)•—ab33x(4x-4)-x(x-1)-2x(3x-4)
54
(x-6)(4x-5)(x-9y)(x+y)
(2x+y)(x2-2xy-y2)(m-n)(2m-4n)
(2a+1)2(a+2b)(4a-3b)
(x2-4)(x+1)(x2-x-3)(x+3)
(x+3)(x+3)(x+2)(x-1)
(y-3)(y-2)(y+3)(y+3)
(-x4)(-6x+8)3a(4a-4b)(3x-4y)(-3x)
51
(—ab3+3ab)•—ab3x(3x-3)-2x(x+3)+x(2x+1)
45
(x-2)(x-6)(x+y)(4x+4y)
(x-y)(x2+xy-y2)(m-n)(2m+5n)
(a-1)2(a-b)(3a-b)
(4x2+9)(2x-7)(x2-x+3)(4x-3)
(x+4)(x+3)(x+1)(x-4)
(y-1)(y-1)(y+3)(y-2)
(-x2)(-9x+6)-9a(6a+6b)(8x+9y)(-4x)
61
(—ab2-5ab)•—ab3x(4x+3)+2x(3x-1)+3x(x-3)
56