hobby66
hobby66 hobby66
  • 07-12-2020
  • Mathematics
contestada

x²-4
this is the difference of square
help please

Respuesta :

jcherry99
jcherry99 jcherry99
  • 07-12-2020

Answer:

(x - 2)(x + 2)

Step-by-step explanation:

If this is a difference of squares, it factors like this.

(x - 2)(x + 2)

The general rule is x^2 - a^2 factors into sqrt(x^2) +/- sqrt(a^2)

That always produces 2 factors: (x + a)(x - a)

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