Question

how to simplify x^4n-9

Answer 1

i thinks its simple enough as is :)

Answer 2

Please use proper brackets/parens to frame your question/problem. I assume its:

\[x^{4n} - 9 \] and not
\[x^4n-9\]

Answer 3

u may write it like [x^(2n)+3][x^(2n)-3]

Answer 4

thanks