x²y+xy³/x+y² jika x=-1 jika y=3

x^2y + xy^3/x+y^2
Dik = x = -1
y = 3

x^2y + xy^3/x+y^2 =
-1^2.3 + -1.3^3/-1+3^2 =
-1^6 + -27 / -1 + 9 =
-1 + -27 / 8 =
-28 / 8 =
-3,5