meenuthakur614 meenuthakur614

19-06-2021
Mathematics

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(2x - y + 3) (2x - y - 3)using identities

Respuesta :

GeorgeFocus GeorgeFocus

19-06-2021

Step-by-step explanation:

(2x-y+3)(2x-y-3)=

4x²-2xy-6x-2xy+y²+3y+6x-3y-9=

4x²-4xy+y²-9=

(2x-y)²-9

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