p³r² - (m + np)
m = -32
n = 2
p = -8
r = 4
(i assume the 3 and 2 are supposed to be squared and cubed symbols)
substitution:
-8³ · 4² - (-32 +2 · -8)
-512 · 16 - (-32 -16)
-8192 + 48
-8144 should be the answer if the portion in "p3r2" is meant to be squared and cubed symbols
Hope this helped! :D