Answer:
10-8k
Explanation:
Here, we want to open the brackets, then collect like terms
We have this by multiplying each of the terms outside by each of the terms inside the bracket before proceeding to collect like terms
We have this as;
(3 + 6k) -14k + 7
= 3 + 7 + 6k - 14k
= 10 - 8k