Find $g ( 3 )$ And $g ( 4 )$ $g ( x ) = 5 x ^ { 2 } - x$

Find $g ( 3 )$ and $g ( 4 )$ . $g ( x ) = 5 x ^ { 2 } - x$

$g ( 3 ) =$ __________ $g ( 4 ) =$ __________