l3xilynn01 l3xilynn01
  • 27-01-2017
  • Mathematics
contestada

Simplify: 3/2x+5+5/x-5

Respuesta :

lisboa lisboa
  • 02-01-2019

Answer:

[tex]\frac{13x+10}{(2x+5)(x-5)}[/tex]

Step-by-step explanation:

[tex]\frac{3}{2x+5} + \frac{5}{x-5}[/tex]

To add and simplify these fractions  we make the denominators same

LCD is (2x+5)(x-5)

[tex]\frac{3*(x-5)}{(2x+5)*(x-5)} + \frac{5*(2x+5)}{(x-5)*(2x+5)}[/tex]

We distribute 3 inside x-5  and 5 inside 2x+5

[tex]\frac{3x-15}{(2x+5)(x-5)} + \frac{10x+25}{(2x+5)(x-5)}[/tex]

[tex]\frac{3x-15+10x+25}{(2x+5)(x-5)}[/tex]

[tex]\frac{13x+10}{(2x+5)(x-5)}[/tex]


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