a) 3.(2+\sqrt{x-2})=2x+\sqrt{x+6}
b) \sqrt{x^{2}-9x+24}-\sqrt{6x^{2}-59x+149}=5-x
c) \sqrt[3]{x^{2}-x-1}+x^{2}+2=\sqrt[3]{2x-3}+3x
d) \sqrt[3]{x+2}+\sqrt[3]{x+1}=\sqrt[3]{2x^{2}}+\sqrt[3]{2x^{2}+1}
e) (\sqrt{x+3}-\sqrt{x+1})(x^{2}+\sqrt{x^{2}+4x+3})=2x
f)...