ChaylaWilliams
ChaylaWilliams
20-06-2018
Mathematics
contestada
3(5a + 3c) (2a - 3c) - (4a + c)^2
Respuesta :
aosera
aosera
20-06-2018
You have 2 choices.
You either expand the brackets or you multiply by 3 first
Either way, you'll still get the same answer
Answer Link
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