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OpenStudy (anonymous):
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imqwerty (imqwerty):
its D
OpenStudy (anonymous):
alright! thank you
imqwerty (imqwerty):
1st u make the perfect square like its done in d they added 16 to both sides nd then u have (x-4)^2 =19 then either x-4=sqrt(19) x=4+sqrt(19) or x-4=-sqrt(19) x=4-sqrt(19)
OpenStudy (anonymous):
ok thnx
imqwerty (imqwerty):
no prblm :)
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