carneirocoreia carneirocoreia

09-06-2020
Mathematics

contestada

Which expression is equivalent to (9x + 5y)²?
a) 9x² + 45xy + 5y²
b) 18x² + 45xy + 10y²
c) 45x² + 45xy + 45y²
d) 81x² + 90xy + 25y²
e) 0

Respuesta :

noname2020 noname2020

09-06-2020

D is the correct answer.

If you don’t understand how then plz don’t hesitate to ask me in the comments.

Answer Link

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