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Mathematics 13 Online
OpenStudy (anonymous):

Factor. Checking by multiplying. 5x^2+ 45x I have got the answer 5(x^2+9b) and it said incorrect

OpenStudy (watchmath):

5x(x+9)

OpenStudy (amistre64):

umm .... you seem to have picked up a spurious b

OpenStudy (amistre64):

take out as many x's and 5s that you can... 5x(x+9) is what your left with

OpenStudy (anonymous):

yes I did

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