Question

-6sqrt6 - 7sqrt54

Answer 1

hint: \[\huge \sqrt{54} \implies \sqrt{9 \times 6} \implies 3\sqrt 6\]
does that help?

Answer 2

Yes I have that part

Answer 3

\[-\huge -6\sqrt 6 - 7\sqrt 6 \implies -6\sqrt 6 - 7(3\sqrt 6)\]`

Answer 4

\[\LARGE -6\sqrt 6 - 7\sqrt 6 \implies -6\sqrt 6 - 21\sqrt 6\]

Answer 5

Im not understanding how the final answer is -27sqrt6

Answer 6

\[\Large -6\sqrt 6 - 21\sqrt 6 = -27\sqrt 6 \cdots\]

Answer 7

Got it! Thanks!

Answer 8

<tips hat>