\(\sqrt{ab}+2\sqrt{a}+3\sqrt{b}+6\)

\(2\sqrt{x-1}-\sqrt{4x-4}-\sqrt{9x-9}=20\)

\(2\sqrt{x-1}-\sqrt{4x-4}-\sqrt{9x-9}=20\)

\(\dfrac{5}{3}\sqrt{15x}-\sqrt{15x}-11=\dfrac{1}{3}\sqrt{15x}\\ \dfrac{5}{3}\sqrt{15x-1}-\sqrt{15x-1}-2=\dfrac{1}{3}\sqrt{15x}-1\)

\(\sqrt{3x}+5\sqrt{27x}-16=\sqrt{432x}\)

\(\left(1+\sqrt{3}-\sqrt{2}\right)\left(1+\sqrt{3}+\sqrt{2}\right)\)

\(\sqrt{64x+64}-\sqrt{25x+25}+\sqrt{4x+4}=20\)

\(\left(\sqrt{32}-\sqrt{50}+\sqrt{27}\right)\cdot\left(\sqrt{27}+\sqrt{50}-\sqrt{32}\right)\)

\(\left(2\sqrt{2}-\sqrt{3}\right)^2\)

\(\sqrt{0,87\cdot49+0.82\cdot49}\)