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
what do u need help with??
Emmm I thinks that the question is wrong
Answer:
Nicaragua - A) It is the home to Cerro Negro, a volcano.
Costa Rica - B) 52 different species of hummingbirds are found here.
Panamá - C) Its hat sale funded a revolution in Ecuador.
Mexico City - D) It is built on a lake said to sink about half a foot each year.
