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3x^{4}-2
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3x^{4}-2
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-3y^{4}+3x^{2}y^{2}-\left(2+x^{2}y^{2}-\left(x^{4}+y^{4}-2x^{2}y^{2}\right)\right)+2y^{4}+2x^{4}
To find the opposite of 2+x^{2}y^{2}-\left(x^{4}+y^{4}-2x^{2}y^{2}\right)-2y^{4}, find the opposite of each term.
-y^{4}+3x^{2}y^{2}-\left(2+x^{2}y^{2}-\left(x^{4}+y^{4}-2x^{2}y^{2}\right)\right)+2x^{4}
Combine -3y^{4} and 2y^{4} to get -y^{4}.
-y^{4}+3x^{2}y^{2}-\left(2+x^{2}y^{2}-x^{4}-y^{4}+2x^{2}y^{2}\right)+2x^{4}
To find the opposite of x^{4}+y^{4}-2x^{2}y^{2}, find the opposite of each term.
-y^{4}+3x^{2}y^{2}-\left(2+3x^{2}y^{2}-x^{4}-y^{4}\right)+2x^{4}
Combine x^{2}y^{2} and 2x^{2}y^{2} to get 3x^{2}y^{2}.
-y^{4}+3x^{2}y^{2}-2-3x^{2}y^{2}+x^{4}+y^{4}+2x^{4}
To find the opposite of 2+3x^{2}y^{2}-x^{4}-y^{4}, find the opposite of each term.
-y^{4}-2+x^{4}+y^{4}+2x^{4}
Combine 3x^{2}y^{2} and -3x^{2}y^{2} to get 0.
-2+x^{4}+2x^{4}
Combine -y^{4} and y^{4} to get 0.
-2+3x^{4}
Combine x^{4} and 2x^{4} to get 3x^{4}.
-3y^{4}+3x^{2}y^{2}-\left(2+x^{2}y^{2}-\left(x^{4}+y^{4}-2x^{2}y^{2}\right)\right)+2y^{4}+2x^{4}
To find the opposite of 2+x^{2}y^{2}-\left(x^{4}+y^{4}-2x^{2}y^{2}\right)-2y^{4}, find the opposite of each term.
-y^{4}+3x^{2}y^{2}-\left(2+x^{2}y^{2}-\left(x^{4}+y^{4}-2x^{2}y^{2}\right)\right)+2x^{4}
Combine -3y^{4} and 2y^{4} to get -y^{4}.
-y^{4}+3x^{2}y^{2}-\left(2+x^{2}y^{2}-x^{4}-y^{4}+2x^{2}y^{2}\right)+2x^{4}
To find the opposite of x^{4}+y^{4}-2x^{2}y^{2}, find the opposite of each term.
-y^{4}+3x^{2}y^{2}-\left(2+3x^{2}y^{2}-x^{4}-y^{4}\right)+2x^{4}
Combine x^{2}y^{2} and 2x^{2}y^{2} to get 3x^{2}y^{2}.
-y^{4}+3x^{2}y^{2}-2-3x^{2}y^{2}+x^{4}+y^{4}+2x^{4}
To find the opposite of 2+3x^{2}y^{2}-x^{4}-y^{4}, find the opposite of each term.
-y^{4}-2+x^{4}+y^{4}+2x^{4}
Combine 3x^{2}y^{2} and -3x^{2}y^{2} to get 0.
-2+x^{4}+2x^{4}
Combine -y^{4} and y^{4} to get 0.
-2+3x^{4}
Combine x^{4} and 2x^{4} to get 3x^{4}.
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