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a fost răspuns

(√3+1)²x-(3x-1)=5x-12+√3·(5x-√12)

Răspuns :

⇒(3+2√3+1)x-3x+1=5x-12+5√3x-√3·√3√4
(2√3+4)x-3x-5x-5√3x=-1-12-12
2√3x+4x-8x-5√3x=-25
-3√3x-4x=-25 inmultim cu -1
x(3√3+4)=25
x=25/(3√3+4) rationalizam
x=25(3√3-4)/(27-4)
x=25(3/3-4)/23

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