tiya57 tiya57
  • 03-05-2019
  • Mathematics
contestada

( 1-x2) ( 1-y2) + 4xy​

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LittleBelle
LittleBelle LittleBelle
  • 03-05-2019

It’s 1-2y-2x+8xy hope this helps

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lenae15 lenae15
  • 03-05-2019

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

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