SOLUTION: What is th indicated operation here and how do I do it for this problem? 7x / (x + 3) + 90 / (x^2 � 9)

SOLUTION: What is th indicated operation here and how do I do it for this problem? 7x / (x + 3) + 90 / (x^2 � 9) - 5x / (x � 3)

Question 311349: What is th indicated operation here and how do I do it for this problem?
7x / (x + 3) + 90 / (x^2 � 9) - 5x / (x � 3)
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
same common denominator opperation
right off the bat you should notice theres an x+3 x-3 and those two multiplied together make x^2-9 so the common denominator is x^2-9

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