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yana3657
04.05.2021 03:09
Математика
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С ть вираз: (2х + 7у) квадрат – (х – 3у)(5х + 4у) даю 50 б

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нургалым1
нургалым1
4,4(87 оценок)

SSex I'm a wхочу I can't like a fool sitting on the internet and can't understand how it goes in my life and why I can't I don't want to be with him near you and be near you and be near you and be near you and be with you and be around you and be around you.

lika771
lika771
4,7(60 оценок)

(2x+7y) -(x-3y)(5x+4y)

2x+7y-5x( в квадрате) +11xy+12y( в квадрате)

Sofia20091
Sofia20091
4,6(35 оценок)
34х - 12 = 260 34х = 260 +12 = 272 х = 272/34 = 8 2400: (317+х)=3 2400 = 3*(317+х) = 951+3х 3х = 2400-951 =1449 х = 1449/3 = 483

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