algebra help

use the remainder theroam to find the reminder when f(x) id divided  by x+3. Then use ther factor theoram to determine whether x+3 is a factor of f(x)

f(x)=3x^6-27x^4+x^2-3

The remainder is _ ?????

Is x+3 a factor of f(x)=3x^6-27x^4+x^2-3

must show work