Question

Simplifly the expression :

√39 (√6 + 7)

Answer 1

before multiplying √39 thru out the expression,

write 39 as 13x3
and 6 as 3x2

Answer 2

\(\large \sqrt{39}(\sqrt{6} + 7)\)

\(\large \sqrt{13 \times 3}(\sqrt{3 \times 2} + 7)\)

\(\large \sqrt{3^2 \times 26 \times} + 7\sqrt{39}\)