Question

$x { - y }^{2} = 428$

Answer 1

Hey friend,

Here is your answer,
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$x-y^2 = 428$

=> $y^2 = x - 428$

We need atleast two equations two solve for two variables.
Hence,
This equation can not be solved further because we have two variables and we don't have any other equation.

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Hope this helped you !!