Question

please tell me answer..fast​

Answer 1

Step-by-step explanation:

Subtract 2 from 1

The value will be answer

X2+12xy-7y2

Answer 2

Answer:

For that

2x^2 +7xy - 3y^2

-x^2 - 3xy + 4y^2

_____________

2x^2 + 7xy - 3y^2

x^2 +  3xy - 4y^2

_____________

3x^2 + 10xy -7y^2

Step-by-step explanation:

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