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-
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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) (Show Source): You can put this solution on YOUR website!
(v-6)/(v-9) - (v+1)/(v+9) + (v-63)/(v^2-81)
.
LCD = (v-9)(v+9) = v^2 -81
.
{(v-6)(v+9) -(v+1)(v-9) +(v-63)} / (v-9)(v+9)
.
{v^2 +3v -54 -(v^2 -8v-9) +v-63 } / (v-9)(v+9)
.
(12v -108)/ (v-9)(v+9)
.
12(v-9)/(v-9)(v+9)
.
12/(v+9)
.
check,,,let v=3,,,both original and answer =1
.
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