`1)(x+2)(x-1)=0`

\(\left[ \begin{array}{l}x+2=0\\x-1=0\end{array} \right.\) 

\(\left[ \begin{array}{l}x=-2\\x=1\end{array} \right.\) 

`2)(x+2)(x-3)=0`

\(\left[ \begin{array}{l}x+2=0\\x-3=0\end{array} \right.\)

\(\left[ \begin{array}{l}x=-2\\x=3\end{array} \right.\) 

`3)(x-1)(3x-6)=0`

\(\left[ \begin{array}{l}x-1=0\\3x-6=0\end{array} \right.\)

\(\left[ \begin{array}{l}x=1\\x=2\end{array} \right.\) 

`4)(x-7)(2x-8)=0`

\(\left[ \begin{array}{l}x-7=0\\2x-8=0\end{array} \right.\)

\(\left[ \begin{array}{l}x=7\\x=4\end{array} \right.\) 

`5)(2x-7)(7+x)=0`

\(\left[ \begin{array}{l}2x-7=0\\7+x=0\end{array} \right.\)

\(\left[ \begin{array}{l}x=7/2\\x=-7\end{array} \right.\) 

`6)(x-5)(5x-1)=0`

\(\left[ \begin{array}{l}x-5=0\\5x-1=0\end{array} \right.\)

\(\left[ \begin{array}{l}x=5\\x=1/5\end{array} \right.\) 

`7)(2x+5)(1-3x)=0`

\(\left[ \begin{array}{l}2x+5=0\\1-3x=0\end{array} \right.\)

\(\left[ \begin{array}{l}x=-5/2\\x=1/3\end{array} \right.\) 

`8.(2x+3)(1-4x)=0`

\(\left[ \begin{array}{l}2x+3=0\\1-4x=0\end{array} \right.\)

\(\left[ \begin{array}{l}x=-3/2\\x=1/4\end{array} \right.\) 

`10)(3x+2)(4x-5)=0`

\(\left[ \begin{array}{l}3x+2=0\\4x-5=0\end{array} \right.\)

\(\left[ \begin{array}{l}x=-2/3\\x=5/4\end{array} \right.\)