Evaluate the following expression when X=-4 and Y=4

Answer:
256.25
Step-by-step explanation:
[tex] \dfrac{x^6 - x}{4y} = [/tex]
[tex] = \dfrac{(4)^6 - (-4)}{4(4)} [/tex]
[tex] = \dfrac{4096 + 4}{16} [/tex]
[tex] = \dfrac{4100}{16} [/tex]
[tex] = 256.25 [/tex]