Answer:
[tex]( - 5k {}^{3} - 6k + 1) + ( - 6k {}^{2} + 5k) \\ - 5k {}^{3} - 6k + 1 + (6k ^{2} + 5k) \\ - 5k {}^{3} - 6k + 1 + 6k {}^{2} + 5k \\ - 5k {}^{3} + 6k {}^{2} - 6k + 5k + 1 \\ 1k {}^{5} - 1k + 1 \\ (1k \times 1k \times 1k \times 1k \times 1k) - 1k + 1 \\ 5k - 1k + 1 \\ 4k + 1 \: \: anawer[/tex]
Step-by-step explanation:
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