Question 48377
x - xy(y^0 - x^(-3)) if x = -2 and y = 3
-2 - (-2)(3)(1 - (-2)^(-3))
-2 + 6(1 + 1/8)
-2 + 6(9/8)
-16/8 + 54/8
38/8 = 19/4