Question

(x-5).(x-7)=0

Answer 1

\(\left(x-5\right).\left(x-7\right)=0\)

\(\orbr{\begin{cases}x-5=0\\x-7=0\end{cases}}\Rightarrow\orbr{\begin{cases}x=5\\x=7\end{cases}}\)

K MÌNH NHÉ

Answer 2

\(\left(x-5\right).\left(x-7\right)=0\)

\(\Rightarrow\orbr{\begin{cases}x-5=0\\x-7=0\end{cases}}\)

\(\Rightarrow\orbr{\begin{cases}x=5\\x=7\end{cases}}\)