1将下列各式分解因式(1)3p26pq (2)2x2+8x+82将下列各式分解因式(1)x3yxy (2)3a36a2b+3ab23分解因式(1)a2(xy)+16(yx) (2)(x2+y2)24x2y24分解因式:(1)2x2x (2)16x21 (3)6xy29x2yy3 (4)4+12(xy)+9(xy)25因式分解:(1)2am28a 2)4x3+4x2y+xy26将下列各式分解因式:(1)3x12x3 (2)(x2+y2)24x2y27 因式分解:(1)x2y2xy2+y3 (2)(x+2y)2y28对下列代数式分解因式:(1)n2(m2)n(2m) (2)(x1)(x3)+19分解因式:a24a+4b2 10分解因式:a2b22a+111把下列各式分解因式:(1)x47x2+1 (2)x4+x2+2ax+1a2 (1+y)22x2(1y2)+x4(1y)2 (3) (4)x4+2x3+3x2+2x+112把下列各式分解因式:(1)4x331x+15; (2)2a2b2+2a2c2+2b2c2a4b4c4; (3)x5+x+1;(4) x3+5x2+3x9; (5)2a4a36a2a+21