Question

Simplify

x^6n - 1

Someone help me with this please the answer is

(x^n+1)(x^n-1)(x^4n+x^2n +1)

Answer 1

\[x^{6n}-1=(x^{2n})^3-(1)^3\]
\[(x^{2n}-1)(x^{4n}-x^{2n}+1)=(x^n+1)(x^n-1)(x^{4n}-x^{2n}+1)\]

Answer 2

hello...got it???

Answer 3

Sort of one sec

Answer 4

No I don't get it

Answer 5

what is the problem??

Answer 6

i first use the formula a^3-b^3=(a-b)(a^2+ab+b^2)
and then (a^2-b^2)=(a+b)(a-b)

Answer 7

thank you i will try to work it out right now