The first step to finding your answer is to remove the first set of parenthesis.
3 x
x ( 2 x
)
Then remove the second set of parenthesis.
3 x
x 2 x
Now multiply 3 and 2 together
6 x
x
In order to multiply terms with the same base,, you must instead just add their exponents together. This will look like the following:
6 x
This means that the answer to your question will be 6 x
when put in scientific notation.
Let me know if you have any further questions
:)