`(x-2)(7-3x)= (x-2)(4x-3)`

`(x-2)(7-3x)=(x-2)(4x-3)`

`<=>(x-2)(7-3x)-(x-2)(4x-3)=0`

`<=>(x-2)(7-3x-4x+3)=0`

`<=>(x-2)(10-7x)=0`

`<=>` \(\left[ \begin{array}{l}x-2=0\\10-7x=0\end{array} \right.\) 

`<=>` \(\left[ \begin{array}{l}x=2\\7x=10\end{array} \right.\) 

`<=>` \(\left[ \begin{array}{l}x=2\\x=\dfrac{10}{7}\end{array} \right.\)