Question

If p=-2, q=-1 r=3, p3+q3+r3+3pqr

Answer 1

p^3 = -8
q^3 = -1
r^3 = 27
3pqr = 3(-2)(-1)(3)
= ==18
-8 + -1 + 27 + 18
36 is ans hope its right

Answer 2

p³ + q³ + r³ + 3pqr
= -8 - 1 + 27 + 18
= 36