joelpimentel joelpimentel

31-01-2018
Mathematics

contestada

Multiply.

(5x − 9y)^2 = _______

Respuesta :

diamonddx diamonddx

31-01-2018

25x^2 - 90xy + 81y^2

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Sasha111111 Sasha111111

31-01-2018

-8xy
I think so
(5x-9y)=-4ху and ^2 = -8xy

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