SOLUTION: r+(8/r)=-9
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Question 365310
:
r+(8/r)=-9
Answer by
robertb(5830)
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Multiply both sides of the equation by r: r^2 + 8 = -9r,
r^2+9r+8 = 0,
(r+1)(r+8) = 0,
r = -1 or r = -8. Since none of them are zeros (which make the denominator 0), these are the final answers.