professor's name ThAnH
Giới thiệu về bản thân
cho mk tick vớiii
on sunday nha!
giề
\(\left(x-4\right)^2=25\)
\(\left(x-4\right)^2=\pm5^2\)
\(\rArr\left[\begin{array}{l}x-4=-5\\ x-4=5\end{array}\right.\)
\(\rArr\left[\begin{array}{l}x=-5-4\\ x=5-4\end{array}\right.\)
\(\rArr\left[\begin{array}{l}x=-9\\ x=1\end{array}\right.\)
vỏ cức=))0
=))
có mk
hi bn
hi
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