+0  
 
0
24
1
avatar+312 

Find all ordered pairs x, y of real numbers such that x+y=10 and x^3+y^3=300.
For example, to enter the solutions (2, 4) and (-3, 9), you would enter "(2,4),(-3,9)" (without the quotation marks).

 Aug 17, 2025
 #1
avatar+67 
+2

Let me take a guess:\((5+\sqrt15/3), 5-\sqrt15/3)\)

it works if i plug it in though

 

 
 Aug 19, 2025
edited by bqimath  Aug 19, 2025

2 Online Users