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Mathematics 15 Online
OpenStudy (anonymous):

5x2+90x+405=0

OpenStudy (anonymous):

first divide all terms by 5

OpenStudy (anonymous):

x2+15x+81=0

OpenStudy (anonymous):

90/5=?

OpenStudy (anonymous):

18

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

then you have to get its factor/s now

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