jackelyngr
jackelyngr jackelyngr
  • 08-11-2020
  • Mathematics
contestada

solve by using the LCD. 4/x-5 + 1/x = x-1/x-5

(please help!!)

Respuesta :

Аноним Аноним
  • 08-11-2020

Answer: x ≠ 5; x≠ 0

[tex]\frac{4}{x-5}+\frac{1}{x}=\frac{x-1}{x-5}\\\\<=> \frac{4x+x-5}{x(x-5)}=\frac{x(x-1)}{x(x-5)} \\<=> 4x+x-5=x(x-1)\\<=> 5x-5 = x^{2}-x\\<=> x^{2} -6x+5=0\\<=>(x-5)(x-1)=0\\[/tex]

because x≠ 5 => x - 5 ≠ 0

=> x - 1 = 0

⇔ x = 1

Step-by-step explanation:

Answer Link
gufeliz1965
gufeliz1965 gufeliz1965
  • 08-11-2020

See attachment for math work and answer.

Reject x = 5.

Answer is x = 1.

Ver imagen gufeliz1965
Answer Link

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