\(a,2x^2-9x+3+\sqrt{3x^2-7x+1}=0\)

b)\(\sqrt{x+2}+\sqrt{3-x}=x^3+x^2-4x-1\)

c)\(\text{4x^3-9x^2+7x-(3x-1)\sqrt{3x-2}=0}\)

d)\(2\sqrt{x-1}+\sqrt{5x-1}=x^2+1\)

e)\(\sqrt{x+2}+\sqrt{5x+6}+2\sqrt{8x+9}=4x^2\)

f)\(3x^2-x+3=\sqrt{3x+1}+\sqrt{5x+4}\)

\(2x^2-4x-9+\sqrt{5x+6}+\sqrt{7x+11=0}\)

\(x^4-4x^3-2x^2+12x+5=0\)