If r = 55, then the value of $r(r^2 + 3r + 3)$ is:
Answer & explanation
Correct answer: option 4
If r = 55,
then the value of $r(r^2 + 3r + 3)$
$r(r^2 + 3r + 3)$ = 55(55^2 + 3(55) + 3)
$r(r^2 + 3r + 3)$ = 55(3025 + 165 + 3)
$r(r^2 + 3r + 3)$ = 55(3193)
$r(r^2 + 3r + 3)$ = 175615