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11-12-2020
Mathematics

contestada

I don't understand :V

I dont understand V class=

Respuesta :

11-12-2020

Answer:

7

Step-by-step explanation:

—Math

x² – 49

(x –7)(x + 7)

because

(x) (x) = x²

(–) (+) = –

(7) (7) = 49

the answer is 7

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