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aflati x din ecuatia: (x+1)^2=144

Răspuns :

[tex](x+1)^2=144 \\ x+1= \sqrt{144 } \Rightarrow x+1=12 \Rightarrow x=12-1 \Rightarrow \boxed{x=11} \\ x+1=- \sqrt{144} \Rightarrow x+1=-12 \Rightarrow x=-12-1 \Rightarrow \boxed{x=-13} \\ S=\{-13;11\} [/tex]