chunghoseoks chunghoseoks

09-06-2020
Mathematics

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

a) 7x²
b) 3xy
c) 7x² + 6xy
d) 14x² + 6xy
e) -3xy

Respuesta :

CHERLYNnotCHERRY CHERLYNnotCHERRY

09-06-2020

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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