Math, asked by sknazmuddin21, 1 month ago

(2x – y + 3) (2x - y - 3)

Answers

Answered by bariksubhas760

1

Answer:

4x²-4xy+y²-9

Step-by-step explanation:

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

=4x²-2xy -6x - 2xy+y²+3y+6x-3y-9

=4x²-4xy+y²+3y-3y-9

=4x²-4xy+y²-9

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