Answer:
El otro polinomio es:
2x² + 4xy -3x - y²
Explanation:
(3x - 4x² + y²) + a = -2x² + 4xy
a = -2x² + 4xy - (3x - 4x² + y²)
a = -2x² + 4xy - 3x + 4x² - y²
a = -2x² + 4x² + 4xy - 3x - y²
a = 2x² + 4xy - 3x - y²
A. I travel
B. We make a trip to Mexico
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