SnooP1E SnooP1E

06-10-2017
Mathematics

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choixongdong choixongdong

06-10-2017

(x +3)^2 = 49
(x +3)^2 = 7^2
so
x + 3 = 7
x = 4
and
x+3 = -7
x = -10

answer is C.
x = 4 and x = -10

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