lexijeppesen lexijeppesen 04-03-2020 Mathematics contestada help pls ); Simplify the radical expression. [tex]13\sqrt{2} -\sqrt{2} +5\sqrt{2}[/tex] a. [tex]18\sqrt{2}[/tex] b. [tex]17\sqrt{6}[/tex] c. [tex]18\sqrt{6}[/tex] d. [tex]17\sqrt{2}[/tex]