0070192149 0070192149
  • 14-01-2021
  • Mathematics
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someone knows it, I need help

someone knows it I need help class=

Respuesta :

CHERLYNnotCHERRY
CHERLYNnotCHERRY CHERLYNnotCHERRY
  • 14-01-2021

Answer:

The answer is A.

Step-by-step explanation:

In order to simplify, you have to collect like terms :

x² - 3xy - 5xy - 7y² + 4x² + 8y²

= (x² + 4x²) + (-3xy - 5xy) + (-7y² + 8y²)

= 5x² - 8xy + y²

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