Tieunha2804 Tieunha2804
  • 25-07-2021
  • Mathematics
contestada

1) Tính a) (x+3)^2

b) (2x-1)^2

c) x^2 - 2y^2

d) ( x+2)^3
e)(x-3)^3

Respuesta :

jeshikaghising
jeshikaghising jeshikaghising
  • 25-07-2021

Answer:

1. a) x^2 + 6x + 27

b) 4x^2 - 4x + 1

c) x^2 - 4y^2

d) x^3 + 6x^2 + 12x + 8

e) x^3 - 9x^2 + 27x - 27

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