Question

Solve 2- square root of x+1= -5

Answer 1

$Solution. \newline 2-\sqrt{x+1}=-5; \newline -\sqrt{x+1}=-7; |*(-1) \newline \sqrt{x+1}=7; \newline x+1>0; \newline x>-1; \newline \sqrt{x+1}=7; |^2 \newline x+1=49; \newline x=48. \newline Answer: x=48.$