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x+6n^{2}
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x+6n^{2}
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3n^{2}-2x+5m+3x-5m+3n^{2}
To find the opposite of -3x+5m-3n^{2}, find the opposite of each term.
3n^{2}+x+5m-5m+3n^{2}
Combine -2x and 3x to get x.
3n^{2}+x+3n^{2}
Combine 5m and -5m to get 0.
6n^{2}+x
Combine 3n^{2} and 3n^{2} to get 6n^{2}.
3n^{2}-2x+5m+3x-5m+3n^{2}
To find the opposite of -3x+5m-3n^{2}, find the opposite of each term.
3n^{2}+x+5m-5m+3n^{2}
Combine -2x and 3x to get x.
3n^{2}+x+3n^{2}
Combine 5m and -5m to get 0.
6n^{2}+x
Combine 3n^{2} and 3n^{2} to get 6n^{2}.
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