SOLUTION: I have problems trying to understand rational inequalities. How does the equation 4x<16/(x+3) become 0<-4(x+4)(x-1)/(x+3)? what steps were taken, in other words, to get the equatio

Algebra.Com
Question 675746: I have problems trying to understand rational inequalities. How does the equation 4x<16/(x+3) become 0<-4(x+4)(x-1)/(x+3)? what steps were taken, in other words, to get the equation -4(x+4)(x-1) after moving 4x to the other side to get 0 on one side?
Answer by ReadingBoosters(3246)   (Show Source): You can put this solution on YOUR website!

...
Multiply both sides by (x+3)

4x(x+3) < 16
4x(x+3) - 16 < 0
...
Distribute the 4x


4(x-1)(x+4) < 0
OR




...
.....................
Delighted to help.
-Reading Boosters
Email: HomeworkHelpers@ReadingBoosters.com
Wanting for others what we want for ourselves.

RELATED QUESTIONS

I am having a problem trying to understand how to find zeros of a function if the problem (answered by Edwin McCravy)
Hi, I'm trying to find all real solutions to this equation: 4x^-4-16x^-2+4=0 I... (answered by longjonsilver)
Could someone maybe help me out with these two please: How do I use synthetic division (answered by solver91311)
What is the answer to these 4 problems? 7/8 - x = 13/16? 4/7 - x =6/35? 7/9 - x = 1/36?... (answered by JBarnum)
Hello, I am working with functions just substituting and solving problems. The given is... (answered by josgarithmetic,jim_thompson5910)
Hi, Im having problems trying to solve these rational equations. Can you help. x/3 =... (answered by checkley77)
I am trying to figure these problems. I have to factor the polynomials?? 1.... (answered by checkley77)
I have absolutely no idea how to start because I don't really understand what the... (answered by SAT Math Tutor)
Evaluate the discriminant of each equation. How many real and imaginary soulutions does... (answered by jim_thompson5910)