Đáp án+Giải thích các bước giải:
`(2x-3) ^2=36`$\\$`(2x-3) ^ 2=6^2`$\\$`<=>`\(\left[ \begin{array}{l}2x-3=6\\2x-3=-6\end{array} \right.\) $\\$`<=>`\(\left[ \begin{array}{l}2x=6+3\\2x=-6+3\end{array} \right.\) $\\$`<=>`\(\left[ \begin{array}{l}2x=9\\x=-3\end{array} \right.\) $\\$`=>`\(\left[ \begin{array}{l}x=9:2\\x=-3:2\end{array} \right.\) $\\$`=>`\(\left[ \begin{array}{l}x=\dfrac92\\x=-\dfrac32\end{array} \right.\)
