Respuesta :

Answer:

x = -10    x=4

Step-by-step explanation:

(x + 3) ^2= 49

Take the square root of each side

sqrt((x + 3)^2) =±sqrt( 49)

(x + 3) =±7

Separate into two equations

x+3 = 7              x+3 =-7

Subtract 3 from each side

x+3-3 =7-3         x+3-3 =-7-3

x =4                      x=-10

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