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16-02-2021
Mathematics

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3. Which value(s) of x are solutions to the equation: (x + 5)^2 = 49
a. only 2
b. only -12
c. 2 and -12
d. 44 and -54

Respuesta :

16-02-2021

Answer:

c

Step-by-step explanation:

(x+5)² = 49

x+5 = ±√49 = ±7

x = ±7-5 = 2,-12

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