grace98
grace98
16-08-2017
Mathematics
contestada
How do you do number 49
Respuesta :
apologiabiology
apologiabiology
16-08-2017
factor the difference of 2 perfect squares in the bottom
we get [tex]\frac{x-5}{(x-5)(x+5)}[/tex]
simplified, we get [tex]\frac{1}{x+5}[/tex]
now subsitte 5 for x and get 1/(5+5)=1/10
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