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Mathematics 17 Online
OpenStudy (smurfy14):

factor x^2+9

OpenStudy (anonymous):

(x+3i)(x-3i)

OpenStudy (anonymous):

are you doing complex numbers?

OpenStudy (anonymous):

this does not factorise

OpenStudy (anonymous):

sorry - rsvitale is correct!!

OpenStudy (smurfy14):

thanks! and yepp

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