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 ( 12+ )
Otras preguntas
How are human beings and chimpanzees phylogenetically related?
using the approximation 3.14 for π, what is the radius of a circle with circumference 56.5 m?
pints quarts cups gallons from most precise to least precise
For the graphed exponential equation, calculate the average rate of change from x = 0 to x = 1.
correct :when I go to university , I will study (low)
which is the best description of the effect that the ratification of the united states constitution had on america ? a) it ended the dispute between northern an
what sacred writing contain the religious beliefs of Judaism, including the ten commandments?
yuna missed 5 points out of 100 points on her math test.what decimal number represents the part of her math test that she answered correctly?
which of the following best describes density? a. how tightly packed particles are determines the density. b. density is found in energy. c. density depends on
Which navigation technique consisted of using the sun, moon, and stars to determine a ship's heading? A. piloting B. dead reckoning C. celestial naviga
