+0  
 
+1
112
1
avatar+701 

Simplify 

 Oct 5, 2018
 #1
avatar+96302 
+2

[ x^2 + 4x + 3 ] / [ 2x - 1 ]

_____________________  =   [ invert the bottom fraction and multiply ]

[ x^2 + x ] / [ 2x^2 -3x + 1 ]

 

 [ (x + 1) (x + 3) / [2x -1 ]  *  [ 2x^2 - 3x + 1 ] / [x^2 + x]  =

 

 (x + 1) ( x+ 3) / ( 2x - 1)   *  [ (2x -1) (x -1)] / [ x ( x + 1) ]  =

 

(x + 1) ( x + 3) / [ x ( x + 1) ]  *  [ (2x - 1) (x - 1) ] / (2x -1)   =

 

(x + 3) / x   *   (x - 1)  =

 

(x + 3) (x -1)  /  x

 

 

 

cool cool cool

 Oct 6, 2018

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