Question

Simplify the radical expression.

√39(√6+7)

A. √45 + 7√39

B. 3√26 + 7√39

C. √234 + 7

D. √234 + 7√39

A, B, C, or D? Please explain (:

Answer 1

\[B. 3\sqrt26+7\sqrt39\]
\[(\sqrt{39})(\sqrt{6})+(\sqrt{39})(7)=(\sqrt{234})+7\sqrt{39}\]
\[\sqrt{234}=\sqrt{3*3*26}=3\sqrt{26}\]

Answer 2

Thanks a lot.