Without actually calculating, find the value of (25)^3 - (75)^3 + (50)^3

a3 +b3+c3=3abc,if a+b+c=0

a=25

b= -75

c=50

25+(-75)+50=0

3 x 25 x  -75 x 50= -281250

I think it is correct,please check!

hope it helps!