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( x+√3)putere 2  - 10= x puterea 2 - ( √3+2) puterea 2= estee egala cuu ...

Răspuns :

( x+√3)putere 2  - 10= x puterea 2 - ( √3+2) puterea 2
x^2+2xr3+3-10=x^2-(3+4r3+4)
x^2+2xr3-7=x^2-(7+4r3)
x^2+2xr3-7=x^2-7-4r3     - x^2 si -7 se vor reduce
2xr3=-4r3
x=-4r3/2r3
x=-2