Question

8x(x-3)-(x-3)=0

Answer 1

\(8x\left(x-3\right)-\left(x-3\right)=0\)

\(\Leftrightarrow\left(x-3\right)\left(8x-1\right)=0\)

\(\Leftrightarrow\left[{}\begin{matrix}x-3=0\\8x-1=0\end{matrix}\right.\)

\(\Leftrightarrow\left[{}\begin{matrix}x=3\\x=\dfrac{1}{8}\end{matrix}\right.\)

Vậy: \(S=\left\{3;\dfrac{1}{8}\right\}\)

Answer 2

\(8x\left(x-3\right)-\left(x-3\right)=0\\ \Leftrightarrow\left(x-3\right)\left(8x-1\right)=0\\ \Leftrightarrow\left[{}\begin{matrix}x-3=0\\8x-1=0\end{matrix}\right.\\ \Leftrightarrow\left[{}\begin{matrix}x=3\\x=\dfrac{1}{8}\end{matrix}\right.\\ \)

Vậy tập nghiệm của phương trình là \(S=\left\{3;\dfrac{1}{8}\right\}\)

Answer 3

\(\Leftrightarrow\left(x-3\right)\left(8x-1\right)=0\)

\(\Leftrightarrow\left[{}\begin{matrix}x=3\\x=\dfrac{1}{8}\end{matrix}\right.\)