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Mathematics 13 Online
OpenStudy (anonymous):

x^2+4x+4 factorise it help hero

hero (hero):

(x+2)^2

OpenStudy (anonymous):

how?

hero (hero):

Hmm...if you multiply it back out, you get x^2 + x + 4

OpenStudy (anonymous):

oh thnx hero,,,,u are a life saver.....i like u (: ... u helped me when no body was helping me

hero (hero):

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