what is the remainder when 3x^4-2x^3-20x^2-12 is divided by x+2?
题目
what is the remainder when 3x^4-2x^3-20x^2-12 is divided by x+2?
答案
求3x^4-2x^3-20x^2-12除x+2的余数
可以用long division长除法
注意把x的各个power对齐
步骤和普通除法一样
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