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f(8)=-1/4+2
We move all terms to the left:
f(8)-(-1/4+2)=0
We add all the numbers together, and all the variables
f^8-(-1/4+2)=0
We get rid of parentheses
f^8-2+1/4=0
We multiply all the terms by the denominator
f^8*4+1-2*4=0
We do not support efpression: f^8
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