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OpenStudy (anonymous):
Find the Greatest common factor 7x^3,7x,-28
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OpenStudy (dumbcow):
7
OpenStudy (anonymous):
No it's 28.
OpenStudy (anonymous):
Because if x=4, the last one obviously works. The second one would be 7x4=28 and the last would be 7(4^3)= 7(64)=448, which, dividing by 28 gives 16, indicating a factor.
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