(1 + 2k + 3k^{4})-(4k - 2k^{4})

(1 + 2k + 3k^{4})-(4k - 2k^{4})
Answer
Explanation:
Step1: Remove parentheses
When we have $a-(b - c)=a - b + c$, so $(1 + 2k+3k^{4})-(4k - 2k^{4})=1 + 2k+3k^{4}-4k + 2k^{4}$.
Step2: Combine like - terms
Combine the $k$ terms and the $k^{4}$ terms. The $k$ terms are $2k-4k=-2k$, and the $k^{4}$ terms are $3k^{4}+2k^{4}=5k^{4}$. So the result is $1-2k + 5k^{4}$.
Answer:
$1-2k + 5k^{4}$