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avatar+1859 

This came up as a system of equations

 

The real numbers x and y satisfy x (x+y) = 27 and  (x+y) = 54.  What is the value of (x+y)^2?

 Aug 24, 2023
 #1
avatar+129690 
+1

( x + y)  =54

 

(x + y)^2  = 54^2  =  2916

 

cool cool cool

 Aug 24, 2023

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