The equation that i gave you is actually the result of solve instruction. when i use the instruction solve, it answers me by writing RootOf(..._Z...). _Z is it intern variable. I tried all the instruction like _EnvExplicit and _EnvAllSolutions, but it does not work... thank you

The equation that i gave you is actually the result of solve instruction. when i use the instruction solve, it answers me by writing RootOf(..._Z...). _Z is it intern variable. I tried all the instruction like _EnvExplicit and _EnvAllSolutions, but it does not work... thank you