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Mathematics 14 Online
OpenStudy (anonymous):

x^2-12x-13=0

OpenStudy (earthcitizen):

using quadratic formula (x-13) (x+1) = 0

OpenStudy (anonymous):

quadratic equation

OpenStudy (anonymous):

x=-1 and x=13

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

np

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