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Elizaveta1528
@Elizaveta1528
July 2022
2
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упростите выражение (2x-y)(2x+y)-(2x+y)²
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nikikir138
Verified answer
4x²+2xy-2xy-y²-(4x²+4xy+y²)=-4xy-2y²
13 votes
Thanks 28
mathematician80
(2x-y)(2x+y)=4x²-y²
tihanovamasha753
(2x-y)(2x+y)-(2x+y)²=4x²-y²-(4x²+4xy+y²)=4x²-y²-4x²-4xy-y²=-y²-4xy-y²=-2y²-4xy
Elizaveta1528
спасибо
mathematician80
Verified answer
(2x-y)(2x+y)-(2x+y)²=4x²-y²-(4x²+4xy+y²)=4x²-y²-4x²-4xy-y²=-y²-4xy-y²=-2y²-4xy
13 votes
Thanks 17
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Answers & Comments
Verified answer
Verified answer
(2x-y)(2x+y)-(2x+y)²=4x²-y²-(4x²+4xy+y²)=4x²-y²-4x²-4xy-y²=-y²-4xy-y²=-2y²-4xy