jayyyybaeeee
jayyyybaeeee
13-05-2017
Mathematics
contestada
Add or Subtract x/x-6 + 3/x+7
Respuesta :
mjankiewicz
mjankiewicz
13-05-2017
[tex]{\frac{x}{x-6}+\frac{3}{x+7}=\frac{x(x+7)+3(x-6)}{(x-6)(x+7)}=\frac{x^2+7x+3x-18}{(x-6)(x+7)}=\frac{x^2+10x-18}{(x-6)(x+7)}}[/tex]
domain
[tex]x\ne 6 \ , \ x\ne -7 \\\\ D: \ x \in \mathbb R - \{-7,6\}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 62+ )
Otras preguntas
what is the difference between mechanical waves and electromagnetic waves?
If f(x) = x² – 3, where x is an integer, which of the following could be a value of f(x)? a. 6 b. 0 c. -6 It would be great if you could add a few words of expl
The ratio of boys to girls in a school are 2:3 there are 1100 pupils in the school how many are boys ?
A man with mass 81 kg lies on the floor. What is the normal force on the man? A. 855 N B. 794 N C. 713 N D. 820 N
What present day countries control territory that was controlled by the Seleucid empire?
give two examples of technology we use on earth that is a result of space exploration
which are the numbers that are common multiples of 6 and 8.12 18 24 30 40 48
is melting,freezing,vaporization,and condensation gain or loss in movement of particles?
The base of a square pyramid has a side length of 6 inches. The height of the pyramid is 12 inches. What is the volume of the pyramid?
A man with mass 81 kg lies on the floor. What is the normal force on the man? A. 855 N B. 794 N C. 713 N D. 820 N
