Answer:
Menerals are the substance which are found on the surface of the earth.
Explanation:
Menerals heardness means the menerals getting hard .
Answer:por que vas a la panderia
Explanation: why are you going to the bread store.
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
