A survey found that 73% of adults have a landline at their residence (event A); 83% have a cell phone (event B). It is known tha
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In this scenario, we start with the following expression:
The first step involves evaluating the quadratic component.
Next, we have:
The following step is to subtract the two resultant values:
It is clear that the outcome of this operation is a negative value.
Answer:
The expression results in: