stefycraycraystefy
stefycraycraystefy
11-09-2017
Mathematics
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kphung76127
kphung76127
11-09-2017
x^2-8x+16= 3+16
x^2-8x+16=19
(x-4)^2= 19
x-4= ±√19
x= 4±√19
Final answer: A
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