Math, asked by AvdhootAcharya, 6 months ago

What should be subtracted from 7 X square- 2 Y square- 6 X Y+ 4 to get 2 Y square + 2 X SQUARE- 1

Answers

Answered by Auricsx

0

Answer:

5x^2-4y^2-6xy+5

Step-by-step explanation:

7x^2-2y^2-6xy+4=2x^2+2y^2-1

7x^2-2x^2-2y^2-2y^2-6xy+4+1=0

5x^2-4y^2-6xy+5

7x^2-2y^2-6xy+4

- 5x^2-4y^2-6xy+5

=2x^2+2y^2-1

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