The sum 15

The sum of the real numbers x and y is 24. Their difference is 12. What is the value of xy?

Correct answer:

p =  108

Step-by-step explanation:

x+y=24 xy=12  x+y=24 xy=12  Row2Row1Row2 x+y=24 2y=12  y=212=6 x=24y=246=18  x=18 y=6  p=x y=18 6=108



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