Question

(x+1/2)^2=1
tìm x ạ giúp minh với mình cần gấp ạ 

Answer 1

\(\left(x+\dfrac{1}{2}\right)^2=1\)

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

Answer 2