Answer:
d. x = 4 and x = –10
Explanation:
(x+3)^2=49
Take the square root of each side
sqrt((x+3)^2)=±sqrt(49)
x+3 = ±7
Separate into 2 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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