SOLUTION: Perform the indicated operations and simplify. I think I can just start by crossing off things that cancel each other.... but after that I am lost. v-6/v-9 - v+1/v+9 + v-63/v^2-

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Perform the indicated operations and simplify. I think I can just start by crossing off things that cancel each other.... but after that I am lost. v-6/v-9 - v+1/v+9 + v-63/v^2-      Log On


   

Question 208585: Perform the indicated operations and simplify. I think I can just start by crossing off things that cancel each other.... but after that I am lost.
v-6/v-9 - v+1/v+9 + v-63/v^2-81
HELP!! PLEASE!!
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
(v-6)/(v-9) - (v+1)/(v+9) + (v-63)/(v^2-81)
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LCD = (v-9)(v+9) = v^2 -81
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{(v-6)(v+9) -(v+1)(v-9) +(v-63)} / (v-9)(v+9)
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{v^2 +3v -54 -(v^2 -8v-9) +v-63 } / (v-9)(v+9)
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(12v -108)/ (v-9)(v+9)
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12(v-9)/(v-9)(v+9)
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12/(v+9)
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check,,,let v=3,,,both original and answer =1
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