Question

Tìm x

\(\left(\dfrac{x}{3}-\dfrac{12}{x}\right).\left(5:x-1\right)=0\)

nhanh nha mai kiểm tra rồi;-;

Answer 1

\(\left[{}\begin{matrix}\dfrac{x}{3}-\dfrac{12}{x}=0\\5:x-1=0\end{matrix}\right.\)
\(\left[{}\begin{matrix}x=\dfrac{x^2-36}{3x}=0\\\dfrac{5}{x}=1\end{matrix}\right.\)
\(\left[{}\begin{matrix}=>x=6và\left(-6\right)\\=>x=5\end{matrix}\right.\)