SOLUTION: (t+5)^2=4 (t+5)^2-4=0 t = -7 or -3 Please explain how you come up with this answer?

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Question 614689: (t+5)^2=4
(t+5)^2-4=0
t = -7 or -3
Please explain how you come up with this answer?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(t+5)^2=4
(t+5)^2-4=0
t = -7 or -3
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(t+5)^2=4
t+5 = +2 --> t = -3
t+5 = -2 --> t = -7
t = -7 or -3