(X+1)mũ4=16 Giúp vs ak

$(x+1)^4=16$

\(↔\left[ \begin{array}{l}(x+1)=2^4\\(x+1)^4=(-2)^4\end{array} \right.\)

\(↔\left[ \begin{array}{l}x+1=2\\x+1=-2\end{array} \right.\)

\(↔\left[ \begin{array}{l}x=1\\x=-3\end{array} \right.\)

Vậy `x={1;-3}`