Find the following for the function $f(x)=3x^{2}2x-3.$

$($a$)f(-x)$

$($b$)f(x3)$

$($c$)f(4x)$

$($d$)f(xh)$

$($a$)f(-x)=q,($Simplify your answer.$)$

$($b$)f(x3)=q,($Simplify your answer.$)$

$($c$)f(4x)=q,($Simplify your answer.$)$

$($d$)f(xh)=q,($Simplify your answer.$)$