Help me please and thank you

Mathematics

1 answer:

lora16 [44]2 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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