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Question

Solve |x3|x25x+62

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Solution

Consider the given inequality.

|x3|x25x+62

So,

|x3|2x210x+12

Now, for x3, we have

3x2x210x+12

2x29x+90

x[32,3]

Again, for x3, we have

x32x210x+12

2x211x+150

x[52,3]

This doesn’t satisfy x3. So, we will ignore this value. Also, since, x=3 is a root of the equation x25x+6=0, it will make the denominator zero. So, this value will also be ignored. Therefore, the required set of values is,

x[32,3)

Hence, this is the required result.


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