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5a^{2}+9ab+b^{2}
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5a^{2}+9ab+b^{2}
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3a^{2}+6ab-3b^{2}+2a^{2}+3ab+4b^{2}
To find the opposite of -2a^{2}-3ab-4b^{2}, find the opposite of each term.
5a^{2}+6ab-3b^{2}+3ab+4b^{2}
Combine 3a^{2} and 2a^{2} to get 5a^{2}.
5a^{2}+9ab-3b^{2}+4b^{2}
Combine 6ab and 3ab to get 9ab.
5a^{2}+9ab+b^{2}
Combine -3b^{2} and 4b^{2} to get b^{2}.
3a^{2}+6ab-3b^{2}+2a^{2}+3ab+4b^{2}
To find the opposite of -2a^{2}-3ab-4b^{2}, find the opposite of each term.
5a^{2}+6ab-3b^{2}+3ab+4b^{2}
Combine 3a^{2} and 2a^{2} to get 5a^{2}.
5a^{2}+9ab-3b^{2}+4b^{2}
Combine 6ab and 3ab to get 9ab.
5a^{2}+9ab+b^{2}
Combine -3b^{2} and 4b^{2} to get b^{2}.
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