Question

How do you simplify `(2k + 6k + 1) - ( 2k^{2} + 1)`?

Answer 1

`2k(-k+4)`

Explanation:

`"given : "(2k+6k+1)-(2k^2+1)`

`(8k+1)-(2k^2+1)`

`8kcancel(+1)-2k^2cancel(-1)`

`-2k^2+8k`

`2k(-k+4)`