Question

I keep getting this wrong

Answer 1

Explanation:

(k^3-7k+2) - (k^2-12)

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Answer 2

`k^(3) -k^(2)-7k+14`

Explanation:

`(k^(3) -7k+2)-(k^(2)-12)`

Distribute the negative:

`(k^(3) -7k+2)-k^(2)+12`

Remove parentheses:

`k^(3) -7k+2-k^(2)+12`

Combine like terms:

`k^(3) -k^(2)-7k+14`