Question

Solve by taking the square root: (x-1)^2=9 Step by step PLEASE HELP!!!

Answer 1

$Answer: \\ {(x -1 )}^{2} = 9 \\ \Leftrightarrow \sqrt{ {(x - 1)}^{2} } = \sqrt{9} \\ \Leftrightarrow |x - 1| = 3 \\ \Leftrightarrow x - 1 = \pm3 \\ \Leftrightarrow x = - 2 \: \vee \: x = 4$