SOLUTION: Find the indicated value for the given rational expression: R(u)=8u^2-1/u^2-u-6 , R(3)

SOLUTION: Find the indicated value for the given rational expression: R(u)=8u^2-1/u^2-u-6 , R(3)

Algebra.Com

Question 301263: Find the indicated value for the given rational expression:
R(u)=8u^2-1/u^2-u-6 , R(3)
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
R(u)=8u^2-1/(u^2-u-6)
R(3)=8*3^2-1/(3^2-3-6)
R(3)=8*9-1/(9-9)
R(3)=72-1/0 [-1/0 is an undefined term)

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