Question

4x³ +12= 120

Answer 1

\(\Rightarrow4x^3=108\)

\(\Rightarrow x^3=27\)

\(\Rightarrow x=3\)

Answer 2

4x^3+12=120
4x^3      =120-12
4x^3      =108
x^3        =108:4
x^3        =27
Hay x là 3

Answer 3

3 nha bn

HT