Question

if a=4.36, b=-2.39 or c=-1.97 so a³-b³-c³-3abc=?

Answer 1

a = 4.36
b = -2.39
c = -1.97
a+b+c = 4.36-2.39-1.97 = 0
we know
if a+b+c=0
then
${a}^{3} + {b}^{3} + {c}^{3} - 3abc = 0$

Answer 2

Hope it helped. Message me if there is any confusion.