Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
- 
)(
+ 
)
A. 2
- 7
+ 2
+ 14
B. 2
+ 7
- 2
+ 14
C. 2
+ 7
+ 2
+ 14
D. 2
+ 7
- 2
- 14
Answer: D
Mathematics
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