g(x) = 8 x^ 2 + 5 x. f(x) * g(x) = 120 x^5 + 75x^4 + 16x^3 + 66 x^2 + 35x. 2011-03- 15 09:07:08 補充. 是要算兩個多項式相乘的結果~~ 最好可以也帶入X算出答案~~ ...
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