christenthompson christenthompson

13-05-2021
Mathematics

contestada

x2 - 49 = 0 solve in factored form

Respuesta :

13-05-2021

Answer:

x = -7 or 7

Step-by-step explanation:

x² - 49 = 0

→ Factorise

( x + 7 ) ( x - 7 )

→ Solve

x = -7 or 7

Answer Link

Аноним Аноним

13-05-2021

Answer:

(x + 7) (x - 7) = 0

x + 7 = 0 and x - 7 = 0

So, x = +7 and -7

Hope this helps!

Answer Link

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