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Mathematics 20 Online
OpenStudy (anonymous):

(3x+6)(3x+6)

OpenStudy (anonymous):

you have to foil it out: 9x^2+36x+36

OpenStudy (anonymous):

or you could also write it as 9(x+2)^2

jimthompson5910 (jim_thompson5910):

\[\large (3x+6)(3x+6)\] \[\large (3x)(3x)+(3x)(6)+(6)(3x)+(6)(6)\] \[\large 9x^2+18x+18x+36\] \[\large 9x^2+36x+36\] So \[\large (3x+6)(3x+6)=9x^2+36x+36\]

OpenStudy (nilankshi):

good ans

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