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Help 13

NotSoSmart  Feb 27, 2018
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 #1
avatar+86565 
+2

 x - 2               10x

_____    +    _______

x + 3              x^2  - 9

 

 

x - 2                  10x

____    +      _________

x + 3            (x + 3) (x - 3)

 

 

(x - 2) (x - 3)                10x

___________   +     ____________

(x + 3) ( x - 3)           (x + 3) ( x - 3)

 

 

[ x^2 - 5x + 6 + 10x ]

_________________

(x + 3) ( x - 3)

 

 

[ x^2 + 5x + 6 ]

_____________

{ x + 3] [ x - 3]

 

 

[ x + 2] [ x + 3]

____________

[x - 3] [ x + 3]

 

 

x + 2

____                 restriction :   x not equal to  -3 or 3

x  - 3

 

 

cool cool cool

CPhill  Feb 27, 2018

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