\(\left(8x-32\right)⋮\left(x-5\right)\)
\(8\left(x-5\right)+8⋮\left(x-5\right)\)
Mà \(8\left(x-5\right)⋮\left(x-5\right)\)
\(8\left(x-5\right)+8⋮\left(x-5\right)\)
\(\Rightarrow8⋮\left(x-5\right)\)
\(\Rightarrow\left(x-5\right)\inƯ\left(8\right)=\left\{\pm1;\pm2;\pm4;\pm8\right\}\)
Tự kẻ bảng :)