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Svetllana [295]
3 years ago
13

Let the polynomials A = 7x² + 3xy e B = -3xy.

Mathematics
1 answer:
omeli [17]3 years ago
8 0

Answer:

The answer is A.

Step-by-step explanation:

You have to add up both polynomials together :

A = 7x² + 3xy

B = -3xy

A + B = 7x² + 3xy + (-3xy)

= 7x² + 3xy - 3xy

= 7x²

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