marleyryckman marleyryckman
  • 16-04-2021
  • Mathematics
contestada

The equation x2 - 9 = 0 has
real solution(s).
DONE

Respuesta :

altavistard
altavistard altavistard
  • 16-04-2021

Answer:

{-3, 3}

Step-by-step explanation:

x^2 - 9 = 0 can be written in factored form as (x -3)(x + 3) = 0.  Letting each factor equal zero separately and solving for x, we get x:  {-3, 3}

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