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OpenStudy (anonymous):

Help:{ 4f^-36f+81

OpenStudy (anonymous):

Is that 4f^2

OpenStudy (anonymous):

if it is.....then you factor... First...I try to find multiples of 4 (2 & 2 and 4 &1) and then I find multiples of 81 (1 & 81 and 9 & 9). Second I i just start plugging in those different combinations and come up with (2f-9)(2f-9) or (2f-9)²

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