Question

i need an example of adding or subtracting a radical

Answer 1

\[\sqrt{3} + \sqrt{3} =2\sqrt{3}\]

Answer 2

\[\sqrt{3} + 2\sqrt{3} = 3\sqrt{3}\]

Answer 3

\[2\sqrt{2} - \sqrt{2} = \sqrt{2}\]

Answer 4

\[\sqrt{5} - 3\sqrt{5} = -2\sqrt{5}\]

Answer 5

\[\sqrt{9} + \sqrt{18} = 3 + \sqrt{(9*2)}=3+ \sqrt{9}*\sqrt{2} =3 + 3\sqrt{2}\]

Answer 6

\[3 + 3\sqrt{2} = 3(1+\sqrt{2})\]

Answer 7

\[5\sqrt{3} - 3\sqrt{3} = 2\sqrt{3}\]