Evaluate
-9k^{4}+5k^{2}-4
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-9k^{4}+5k^{2}-4
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8k^{2}-5-6k^{4}-3k^{2}+1-3k^{4}
To find the opposite of 3k^{2}-1+3k^{4}, find the opposite of each term.
5k^{2}-5-6k^{4}+1-3k^{4}
Combine 8k^{2} and -3k^{2} to get 5k^{2}.
5k^{2}-4-6k^{4}-3k^{4}
Add -5 and 1 to get -4.
5k^{2}-4-9k^{4}
Combine -6k^{4} and -3k^{4} to get -9k^{4}.
8k^{2}-5-6k^{4}-3k^{2}+1-3k^{4}
To find the opposite of 3k^{2}-1+3k^{4}, find the opposite of each term.
5k^{2}-5-6k^{4}+1-3k^{4}
Combine 8k^{2} and -3k^{2} to get 5k^{2}.
5k^{2}-4-6k^{4}-3k^{4}
Add -5 and 1 to get -4.
5k^{2}-4-9k^{4}
Combine -6k^{4} and -3k^{4} to get -9k^{4}.
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