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x(x+3)(x-5)>0
Which of the following inequalities specify values of x that satisfy the inequality above?
Indicate all such inequalities.
A、x<-3
B、-3
C、0
D、x>5
答案:B,D
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老师请问这题怎么做呀?
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请问老师这题为什么选B呀?这题怎么画图呢?
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