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( 1-x2) ( 1-y2) + 4xy​
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3 votes
( 1-x2) ( 1-y2) + 4xy​

User JonHendrix
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2 Answers

4 votes

If we simplify, the answer would be x^2 y^2-x^2 + 4xy - y^2 + 1

User Suresh Reddy Guntaka
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8.6k points
4 votes

It’s 1-2y-2x+8xy hope this helps

User Emanuel Seidinger
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7.4k points
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