Question

Simplify.
this

Answer 1

\[-3\sqrt{84x ^{3}}\]

Answer 2

\[-6x \sqrt{21x}\]

Answer 3

84=4*21=2^2*21

Answer 4

\[\sqrt{x ^{3}}=x \sqrt{x}\]

Answer 5

ok

Answer 6

i get the last part

Answer 7

ok

Answer 8

how do you get -6

Answer 9

84=4*21=2^2*21
\[-3\sqrt{84}=-3*2\sqrt{21} =-6\sqrt{21}\]

Answer 10

but isn't it a positive because you're multiplying a negative by 2

Answer 11

no !the sign from -3!

Answer 12

ok thanks