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avatar+58 

all real numbers x and y satisfy. 

 

\(\begin{align*} x + xy^2 &= 250y, \\ x - xy^2 &= -240y. \end{align*}\)

 

enter all possible values of x separated by commas. 

 

 

I'm really stuck, can someone please help? thanks. 

 Jul 22, 2020
 #1
avatar+31085 
+2

As follows:

 

 Jul 22, 2020

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