练习一
问题描述:
练习一
1.分解因式:
(2)x10+x5-2;
(4)(x5+x4+x3+x2+x+1)2-x5.
2.分解因式:
(1)x3+3x2-4;
(2)x4-11x2y2+y2;
(3)x3+9x2+26x+24;
(4)x4-12x+323.
3.分解因式:
(1)(2x2-3x+1)2-22x2+33x-1;
(2)x4+7x3+14x2+7x+1;
(3)(x+y)3+2xy(1-x-y)-1;
(4)(x+3)(x2-1)(x+5)-20.
答
1.(2) (x5+2)(x5-1)
1.(4)
2.(1) (x+2)2(x-1)
满难的其他解不出唉