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把下列各式分解因式:
(1) (1-a2)(1一b2)-4ab;
(2)a2-8ab+16b2+6a-24b+9;
(3)(x+2y)(3x-7y)2-4(x+2y)(x+y)2
把下列各式分解因式:
(1)a2+5a+6;
(2)x2-11x+24;
(3)y2-12y-28;
(4)x2+4x-5
分解因式:x(x-2y)+x2(2y-x)
把下列各式分解因式:
(1) a3-5a2+5a-4;
(2) x3+6x2+11x+6;
(3)a2-4ab+3b2+2bc-c2
把下列各式分解因式:
(1) a2b2+16ab+39;
(2)x2+6xy-91y2;
(3)y4-3y3-28y2;
(4)2a2-73a+36;
(5)x2+19abx+48a2b2;
(6)3(m+n)2-5(m+n)-2;
(7)7a2b2+8abcd-12a2d2;
把下列各式分解因式:
(1) -15xy-20x;
(2) 56a3bc+14a2b2c-21ab2c2;
(3) x(2a+b)+3y(2a+b);
(4) (a-b)3-(a-b)2(a-c)+2(a-b)2(b-c)