Question

\((x - 2)^{2} = 1\)

Answer 1

\(\left(x-2\right)^2=1\)

\(\Rightarrow\left[{}\begin{matrix}x-2=1\\x-2=-1\end{matrix}\right.\)\(\Rightarrow\left[{}\begin{matrix}x=3\\x=1\end{matrix}\right.\)

Answer 2

   (x-2)\(^2\)=1

\(\Rightarrow\) x-2=1

....................(Tự làm)

Answer 3

(x - 2)² = 1

<=> (x - 2)² - 1² = 0

<=> (x - 2 + 1)(x - 2 - 1) = 0

<=> (x - 1)(x - 3) = 0

<=> \(\left[{}\begin{matrix}x-1=0\\x-3=0\end{matrix}\right.\)

<=> \(\left[{}\begin{matrix}x=1\\x=3\end{matrix}\right.\)