jackyplacencia1
jackyplacencia1
24-04-2018
Mathematics
contestada
find the sum (a-b)(2a+4b)
Respuesta :
Аноним
Аноним
24-04-2018
(a-b)(2a+4b) = 2a² - 2ab + 4ab - 4b² =
2a² + 2ab - 4b²
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