Evaluate
b^{2}-a^{2}
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b^{2}-a^{2}
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a^{2}-b^{2}-2a^{2}+2b^{2}
To find the opposite of 2a^{2}-2b^{2}, find the opposite of each term.
-a^{2}-b^{2}+2b^{2}
Combine a^{2} and -2a^{2} to get -a^{2}.
-a^{2}+b^{2}
Combine -b^{2} and 2b^{2} to get b^{2}.
a^{2}-b^{2}-2a^{2}+2b^{2}
To find the opposite of 2a^{2}-2b^{2}, find the opposite of each term.
-a^{2}-b^{2}+2b^{2}
Combine a^{2} and -2a^{2} to get -a^{2}.
-a^{2}+b^{2}
Combine -b^{2} and 2b^{2} to get b^{2}.
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