What is the remainder if f(x)= x^4 - 5x^2 -6x

my options are
8
44
-46
224

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.