Question

d) x^3 + 2 = 4^2 – 6
helpp mik vs ạ
 

Answer 1

\(x^3+2=4^2-6\)

\(\Rightarrow x^3+2=16-6\)

\(\Rightarrow x^3+2=10\)

\(\Rightarrow x^3=10-2\)

\(\Rightarrow x^3=8\)

\(\Rightarrow x^3=2^3\)

\(\Rightarrow x=2\)