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morpeh [17]
3 years ago
11

Help me please and thank you

Mathematics
1 answer:
lora16 [44]3 years ago
3 0
    2x + 5            3x + 5                  x + 1
---------------  - -----------------  - -------------------
   x(x - 3)         x (x+3)(x-3)       (x +3)(x - 3)

      (x + 3) (2x + 5)   -   (3x + 5)     -  x ( x + 1)
=  ---------------------------------------------------------
                         x (x+3)(x-3)   

      2x^2 +6x +5x + 15 -3x - 5 -x^2 - x
=  -----------------------------------------------
                         x (x+3)(x-3)      

     x^2 + 7x  + 10 
=  --------------------
      x (x+3)(x-3)     

     (x +5)(x+2)
=  --------------------
     x (x+3)(x-3)     

or

      (x +5)(x+2) 
=  --------------------
         x^3 - 9

answer is A. first one


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