Respuesta :

The first one is 5+x^2
The second one is 5+2x
The third one is 3x-5
The fourth one is 5-3x
The fifth one is 2(x+5)
The sixth one is 2x+5
The seventh one is 5x^3
The eight one is (5x)^3


I think this is all of them :)
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