Автор - ReD1X

1.Выполните действия:
а) (a2 – 2b)2
б) (–7x – 1)2
в) (–5a +2b4)2
г) (x–12)(x+ 12)
д) (– 4n3 +7)(4n3+7)
е) (3x –y) 2
ж) (– 6n – 2)2
з) (– 7c + 8x3)2
и) (b – 13a)(13a +b)
к) (–5m4+ 3)(3 +5m4)
Упрости
а) (2a +3)(a –3) – 2a(4 – 6a)
б) (2x + 3)(3 –2x) – (2x –5)2 –10x

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