!!!square root property!!!

dcunited11

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Joined
Feb 14, 2005
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15
ok, i cannot get this answer...maybe i am, but it is bugging me because it is a weird fraction :(

"solve each of the following by using the square root property. give only realy answers)

(4x=1)^2=19

i guess i am ust supposed to find x??
 
I assume it is (4x+1)<SUP>2</SUP>=19: then x=(−1±√19)/4
 
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