Question $2!$ p$($x$)=$x$^(3)+$ax$^(2)+9$x$+$b Given that $($x$-3)$ is a factor of p$($x$)$ and given that when p$($x$)$ is divided by $($x$+2)$ the remainder is $-30,($a$)$ Find the values of the constants a and b$.($b$)$ Hence, solve the equation p$($x$)=0.$