+0  
 
+1
99
1
avatar+702 

Write this as a rational expression

 

critical  Oct 6, 2018
 #1
avatar+92890 
+2

Let's simplify the denominator, first

 

1/6  +  1 / [x + 1]  =

 

[ x + 1  + 6 ]  / [ 6(x + 1)] =

 

[ x + 7]  / [ 6(x + 1) ]

 

So we have

 

    5  / 1

_________________       [flip the fraction in the denominator and multiply ]

  [x + 7 ] / [ 6 (x + 1)

 

5/1  *  [ 6 ( x + 1) ] /  ( x + 7 ]  =

 

30(x + 1)              30x + 30

_______  =         ________

  x + 7                    x +  7

 

 

 

cool cool cool

CPhill  Oct 6, 2018

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