M {2} - 8m + 7 - 6n - n {2} ​

Question

`m {2} - 8m + 7 - 6n - n {2}`
​

Answer 1

Explanation:

`{:}\longrightarrow`
`\sf 2m-8m+7-6n-2n`

`{:}\longrightarrow`
`\sf -6m+7-8n`