solving the ODE $\frac{dy}{dx}=(x-y)^2$ given $y(0)=0$

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I am given to solve the Cauchy problem :

$$ \frac{dy}{dx}=(x-y)^2 $$ given $y(0)=0$.

I am not able to arrive at any standard solvable form of ODE.

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Hint: Substitute $$x-y=u$$ then we get $$y'=1-u'=u^2$$ Can you finish?