kill(all)$

van=facebook.com/LearningCalculus$

fpprintprec:6$

f(x):=x^3*(x+3) - 2^6;

s:(solve(f(x),x))$
s[1];s[2];s[3];s[4];
print("       --------")$
float(expand(s[1])); float(expand(s[2]));float(s[3]);float(s[4]);