Phan Gia Huy

$\sqrt{3x-2}-\sqrt{x+1}= 2x^2-x-3$

$(6x^2+12x-6)\sqrt{2x-1}= x^3+22x^2-11x$

$\sqrt{x^{2}-9x+24}-\sqrt{6x^{2}-59x+149}= 5-x$

$\sqrt{x+2+2\sqrt{x+1}}+\sqrt{x+2-\sqrt{x+1}}= \frac{x+5}{2}$

$\sqrt{x-\sqrt{x^{2}-1}}+\sqrt{x+\sqrt{x^{2}+1}}= \sqrt{2(x^{3}+1)}$