(x+1)的4次—(x+3)的4次—272 因式分解
2个回答
展开全部
记x+2=t,
(x+1)^4+(x+3)^4-272
=(t-1)^4+(t+1)^4-272
=2t^4+12t^2-270
=2(t^2-9)(t^2+15)
=2(t-3)(t+3)(t^2+15)
=2(x-1)(x+5)(x^2+4x+19).
哦,是这样啊!那个人好厉害
(x+1)^4+(x+3)^4-272
=(t-1)^4+(t+1)^4-272
=2t^4+12t^2-270
=2(t^2-9)(t^2+15)
=2(t-3)(t+3)(t^2+15)
=2(x-1)(x+5)(x^2+4x+19).
哦,是这样啊!那个人好厉害
参考资料: http://zhidao.baidu.com/question/30363868.html
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询