ElPaisaJuan
ElPaisaJuan ElPaisaJuan
  • 21-11-2019
  • Mathematics
contestada

Solve for all valúes of x

Solve for all valúes of x class=

Respuesta :

dii8
dii8 dii8
  • 21-11-2019

Answer:

2x/(x+3) +3/(x-3) = 8/(x^2

[2x(x-3) +3(x+3)]\( x^2 - 9) =8/(x^2 -9)

2x^2 -6x +3x +9=8 (x^2 -9) /(x^2 -9)

2 x^2 -3x +9 -8=0

2 x^2 -3x +1 =0

2x^2 -2x -1x +1 =0

2x(x-1) -1(x-1)=0

(x-1)(2x-1)=0

either, or, 2x-1=0

x-1 =0 2x =1

x =1 x= 1/2

hence, x= 1, 1/2

Answer Link

Otras preguntas

The Milky Way Galaxy has at least two hundred billion stars write half this number of stars in standard form
Ancient Egyptians used mold grown on bread to treat infections, long before the discovery of penicillin and other antibiotics. It is believed that the Egyptians
what is 1/10 of 7000?
how have computers helped geographers make more accurate maps?
can someone please explain expanded form with this number 15,409
round 209 to the nearest ten and hundreds
what steps must a historian take to evaluate historical evidence
What is the correct noun form of the verb "to facilitate"
what is 3 1/11 in decimal form
A oligarchy can include a representative democracy true or false? And why?