Step-by-step Answer
PAGE: 169SET: ExercisesPROBLEM: 67
Please look in your text book for this problem Statement

The inequality is .

Now, there are two ways this product could be less than or equal to  zero.One factor must be negative or zero and one must be positive or zero.

Case 1 :

and .

and .

The solution set is .

Case 2 :

and .

and .

The solution in interval notation is .

There are no values exist in the interval.

The solution set is .


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