All of the functions that achieve defined

If you allowed they helped me

All of the functions that achieve defined

if f A defined function in R X R

f(x) + f ( y2 ) = f ( x2 +y)

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 Is your question to find all functions $f:\mathbb{R}\to\mathbb{R}$ such that $f(x)+f(y^2)=f(x^2+y)\quad\forall x,y \in \mathbb{R}$? If you want us to help you, show some effort. What have you tried so far?

All of the functions that achieve defined

 Quote by Pere Callahan Is your question to find all functions $f:\mathbb{R}\times \mathbb{R}\to\mathbb{R}$ such that $f(x)+f(y^2)=f(x^2+y)\quad\forall x,y \in \mathbb{R}$? If you want us to help you, show some effort. What have you tried so far?
Yes O my friend what I want
And I thank you for your cooperation with me

 Is the function defined on R or on RxR...? Take some special values for x and y, like x=0, or y=0 or x=y and see where it takes you.

 Quote by Pere Callahan Is the function defined on R or on RxR...? Take some special values for x and y, like x=0, or y=0 or x=y and see where it takes you.
With the use of the drawing programs they came to y =x
But the wanted is the solution compulsorily
I believe by Al Mtslslat
The question I do not know how I deal with it a new for me .

 Sorry, I do not understand what you are saying. I suggest you try and find someone to help you who speaks your language.

 Quote by Pere Callahan Sorry, I do not understand what you are saying. I suggest you try and find someone to help you who speaks your language.
I mean the solution by the Khawarizmi way

And thank you to your aid