SOLUTION: r^2-r-56

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Question 130795: r^2-r-56
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
R^2-R-56=0
(R-8)(R+7)=0
R-8=0
R=8 ANSWER.
R+7=0
R=-7 ANSWER.