litamiller75 litamiller75
  • 22-10-2019
  • Mathematics
contestada

what is the answer 2a+6/a^2-9

Respuesta :

devishri1977
devishri1977 devishri1977
  • 22-10-2019

Answer:

Step-by-step explanation:

2a  + 6 / a² -9 = 2(a + 3) / (a² -3²)

                       = 2(a+3) / (a+3)(a-3)        {a²-b² = (a+b)(a-b)

                        = 2 / (a-3)

Answer Link

Otras preguntas

Which of the choices below is the salt level-monitoring part of the nephron? a. macula densab. principal cellc. vasa rectad. loop of Henle
What type of rock did the geologist most likely find
Ryan’s age in years is 7 more than 3 times Bryan’s age. If Ryan is 25 years old, how old is Bryan?
what is the difference between fiction and non fiction​
I’m having hard time to understand can someone answer it and explain it
Eliminate the parameter. X=t^2+1, y=t^2-1
Why did the hot war turn into a Cold War? In the time of president Truman and Stalin.
A rectangle is 12 feet long and 34 feet wide what is the area of the rectangle enter your answer in the box as a fraction in simplest form
Which musical element is an innovation attributed to the the renaissance
If a 12-foot flag pole casts a 4.8-foot shadow, how tall is a flag pole that casts an 8-foot shadow?