ashleyrosete2004 ashleyrosete2004
  • 06-09-2020
  • Mathematics
contestada

(3x2+xy-5y2) + (2x2-xy+3y2)
Dh

Respuesta :

hbj
hbj hbj
  • 06-09-2020

Answer:

5x² - 2y²

Step-by-step explanation:

(3x² + xy - 5y²) + (2x² - xy + 3y²)

since you are adding these polynomials, you can remove the parentheses without changing any signs

3x² + xy - 5y² + 2x² - xy + 3y²

align like terms next to each other

3x² + 2x² - 5y² + 3y² + xy - xy

combine like terms

5x² - 2y²

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