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Real numbers x and y satisfy

 

x+xy^2=250y

x-xy^2=-240y

 

Enter all the possible values of x, separated by commas.

 

Thank you,

piano123

 May 23, 2021
 #1
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x+xy^2= 250y

x-xy^2= -240y

2xy^2 = 490y

xy = 245

y = 245/x

 

Can you take it from here?

 

=^._.^=

 May 23, 2021

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