lucysrv18
lucysrv18 lucysrv18
  • 04-04-2019
  • Mathematics
contestada

help me please asap!

help me please asap class=

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 05-04-2019

Answer:

[tex](x^2-9)(x^2+9)\\(x-3)(x+3)(x^2+9)[/tex]

Step-by-step explanation:

To factor the expression, factor as a difference of squares. Find the square root of each term and write it in this form (x+a)(x-a).

[tex]x^4 - 81\\(x^2 - 9)(x^2 + 9)[/tex]

Factor x² - 9 as a difference of squares.

[tex](x^2-9)(x^2+9)\\(x-3)(x+3)(x^2+9)[/tex]

This is the most factored form because a sum of squares cannot be factored.

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