x(x+3)(x-5)>0 Which of the following inequalities specify values

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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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