kellyali22
kellyali22 kellyali22
  • 23-07-2020
  • Mathematics
contestada

Which of the following are identities?
1. x2 + 2xy + y2 = (x + y)2
II. 2x + 2 = 2(x + 1)
III. O + a = a

Respuesta :

tonb
tonb tonb
  • 23-07-2020

Answer:

all of them

Step-by-step explanation:

work out + simplify the left side and you will get the same as the right side

Answer Link
Jesuslovesmoi
Jesuslovesmoi Jesuslovesmoi
  • 23-07-2020

Answer:

The answer is 2 because they are similar it is just that the one at the side is factorised

Answer Link

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