Answer:
4k^4-k^3+5k^2+2
Step-by-step explanation:
(2-7k^3+4k^4)+(6k^3+5k^2)
=2-7k^3+4k^4+6k^3+5k^2
=4k^4-7k^3+6k^3+5k^2+2
=4k^4-k^3+5k^2+2
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Answer:
4k^4-k^3+5k^2+2
Step-by-step explanation:
(2-7k^3+4k^4)+(6k^3+5k^2)
=2-7k^3+4k^4+6k^3+5k^2
=4k^4-7k^3+6k^3+5k^2+2
=4k^4-k^3+5k^2+2