因式分解 姓名 用提公因式法:(1)4a3b2-6ab3c= ;(2)3x2-6xy+x= ;(3)-4m3+16m2-6m= ;(4)ax+ay= ;(5)4a2+10ab= ;(6)-x2+xy-xz= ;(7)-24x2y-12xy2+28y3= ;(8)56x3yz+14x2y2z-21xy2z2= ;a(x+y)+b(x+y)= ;(9)2a(b+c)-3(b+c)= ;(10)5x(x-y)+2y(x-y)= ;(11)(m+n)(p+q)-(m+n)(p-q)= ;(12)a(a-b)+(a-b)2= ;(13)(2a+b)(2a-3b)-3a(2a+b)= ;把下列多项式分解因式:(1)p(x-y)-q(y-x) (2)m(a-3)+2(3-a) (3)(a+b)(a-b)-(b+a)(4)a(x-a)+b(a-x)-c(x-a)(5)10a(x-y)2-5b(y-x)(6)3(x-1)3y-(1-x)2z 用公式因式分解:(1)a2-x2= ;36-m2= ;4x2-9y2= (2)36n2-1= ;25p2-49q2= ;0.81a2-16b2= ;(3)121x2-4y2= ;a2p2-b2q2= ;x2-2x+1= ;(4)a2+8a+16= ;1-4t+4t2= ;m2-14m+49= ;(5)b2-22b+121= ;y2+y+= ;25a2+80a+64= ;(6)a2b2-4ab+4= ;16-8xy+x2y2= ;2xy-x2-y2= ;把下列多项式因式分解:(1)4a2-(b+c)2; (2)(3m+2n)2-(m-n)2; (3)2ab3-2ab;(4)1-a4; (5)x3-16x; (6)-x4+16 (7)(2x+y)2-(x+2y)2; (8)(a+b+c)2-(a+b-c)2 (9)81a4-b4; (10)8y4-2y2; (11)3ax2-3ay2;把下列多项式分解因式:(1)(X+Y)2+6(X+Y)+9 (2)(m+n)2+4m(m+n)+4m2;(3)3-6x+3x2; (4)-a+2a2-a3;(5)a4-2a2b2+b4; (6)(x2+9)2-36x2;(7)4-12(x-y)+9(x-y)2; (8)4x2(a+b)2-12xy(a+b)+9y2;(9)20a3x3-45axy2; (10)a3-4a2b+4ab2; (11)a4-8ab+16b4;(12)a4x2+4a2x2y+4x2y2;(13)16a2b4-8ab3c2+b2c4; (14)a4-a2+;(15)a2(a-b)+b2(b-a); (16)(y2-6)2-6(y2-6)+9;(17)-x4+2x2y2-y4; (18)(x-a)3+a(a-x) (19)(x+2)(x-3)(x2-7)+(2+x)(3-x)(x+3); (20)a5-a3; (21)4(x+y+z)2-9(x-y-z)2 (22)(x2+2x)2+2x2+4x+1
因式分解的基础知识.doc
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