Question

-21√27x^9

Answer 1

the x^9 is also in the radicand

Answer 2

\[-21\sqrt{27x ^{9}}\]

Answer 3

Go to mathway.com

Answer 4

i know but it doesn't show the steps

Answer 5

First, you need to separate the terms
\[-21\times \sqrt{27}\times \sqrt{x ^{9}}\]
The √27 simplifies into √9*√3, which is 3√3.
The √x^9 is the same as x^(9/2), which becomes \[x^4\sqrt{x}\]
So if you put it all together, you have \[-21\times3\sqrt{3}\times x^4\sqrt{x}\]
\[-21\times3\times x^4 \times \sqrt{3 \times x}\]
And your final answer is
\[-63x^4\sqrt{3x}\]

Answer 6

Ah! Thanks so much! :DD