\(\left(x+1\right)^2=25\)
\(\Rightarrow\left(x+1\right)^2=5^2\)
\(\Rightarrow x+1=5\)
\(\Rightarrow x=5-1=4\)
Vậy x = 4
\(\left(x+1\right)^2=25\)
\(\left(x+1\right)^2=5^2;\left(-5\right)^2\)
\(\Rightarrow x+1=5\) hoặc x+1=-5
\(\Rightarrow x=4\) x=-6
Vậy x=4 hoặc x=-6