Question

Solve this :-

$a{}^{3}+a-3a{}^{2}-3$​

Answer 1

$\huge\bf{Answer:-}$

$\rm a{}^{3}+a-3a{}^{2}-3$

$\sf a(a{}^{2}+1)-3(a{}^{2}+1)$

$\sf (a{}^{2}+1)(a-3)$

Answer 2

$\rm a(a{}^{2}+1)-3(a{}^{2}+1)$

$\rm (a{}^{2}+1)(a-3)$