1. 3 . (2 + $\sqrt{x-2}$ ) = 2x + 2+$\sqrt{x+6}$2. 9 . ($\sqrt{4x+1}$ - $\sqrt{3x-2}$ ) = x+3
3. $\sqrt{4x + 1}$ - $\sqrt{3x-2}$ = $\frac{x+3}{5}$
4. $\sqrt{3x^2 - 5x +1}$ - $\sqrt{x^2 -2}$ = $\sqrt{3.(x^2 - x - 1}$ - $\sqrt{x^{2}-3x+4}$
5. $\sqrt{5x-1}$ + $\sqrt[3]{9-x}$ = 2x^2 + 3x-1