chloeandrea013
chloeandrea013 chloeandrea013
  • 01-07-2019
  • Mathematics
contestada

Which shows the expression x^2-1/x^2-x

Respuesta :

gmany
gmany gmany
  • 13-07-2019

Answer:

[tex]\large\boxed{\dfrac{x^2-1}{x^2-x}=\dfrac{x+1}{x}=1+\dfrac{1}{x}}[/tex]

Step-by-step explanation:

[tex]\dfrac{x^2-1}{x^2-x}=\dfrac{x^2-1^2}{x(x-1)}\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=\dfrac{(x-1)(x+1)}{x(x-1)}\qquad\text{cancel}\ (x-1)\\\\=\dfrac{x+1}{x}=\dfrac{x}{x}+\dfrac{1}{x}=1+\dfrac{1}{x}[/tex]

Answer Link
nntnnguyen1 nntnnguyen1
  • 22-01-2021

Answer:

its b on edge 2021

Step-by-step explanation:

Answer Link

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