mystcl4eva mystcl4eva
  • 23-03-2020
  • Mathematics
contestada

What are the factors of x^2-49?

Respuesta :

ghanami
ghanami ghanami
  • 23-03-2020

Answer:

(x-7)(x+7)

Step-by-step explanation:

hello :

use identity : a²-b² = (a-b)(a+b)

x²-49 = x²-7² = (x-7)(x+7)

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