Question Number 143186 by zakirullah last updated on 11/Jun/21
Commented by Canebulok last updated on 11/Jun/21
Proof:
⇒ n(n^2 +2n−8) = 0
⇒ n(n+4)(n−2) = 0
Thus;
n = 0
n = −4
n = 2
Commented by zakirullah last updated on 11/Jun/21
$$\mathrm{thank}\:\mathrm{you} \\ $$