Factorize the quintic polynomial P(x) = x^5 + 2x^4 − x − 2 into a productof irreducible linear and quadratic factors. What are the roots of P? 求助求助QAQ答案步骤,明天需要用到。谢谢了!
http://zhidao.baidu.com/question/535345133?quesup2&oldq=1能麻烦 看看这道题吗?谢谢