Respuesta :

day1005

Answer:

x^2 + 100

x^2 + 10^2

Using the square of 2 sums formula ((x + y)^2 = x^2 + y^2 + 2xy), we can simplify as: x^2 + y^2 = (x + y)^2 - 2xy.

Implement y = 10, then we got:

x^2 + 10^2 = (x + 10)^2 - 20x

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