kitkat1999 kitkat1999

21-10-2014
Mathematics

contestada

How do you do problems like x^2+x-20 less then or equal to 0
I am clueless on how to do this.
Please help me. >_<

Respuesta :

konrad509 konrad509

21-10-2014

[tex]x^2+x-20\leq0\\ x^2+5x-4x-20\leq0\\ x(x+5)-4(x+5)\leq0\\ (x-4)(x+5)\leq0\\ x\in[-5,4][/tex]

Answer Link

Otras preguntas

the end of dynastic rule in china was ultimately due to?

Which of these is most important to success in your job? A. Socializing with your coworkers B. Showing up and being on time C. Spending quality time with

In To Kill a Mockingbird chapter 1, what details does Scout provide in the first chapter about the social, economic, cultural and political climate in Maycomb d

Why do gorillas beat their chests?

Why is it difficult for third parties to win?

' g '7 7 ‘ h'm s . : ‘ ,y ; ' r r ‘ I , ‘ ‘ ; ‘ ‘ E ; i i a = " MM Ham please help

tanaya has a dog leash that is 2 yards long. she shortens the leash by 1 ½. what is the length of the shortened leash ?

How did government deregulation affect savings and loans banks? a. Government deregulation led to low interest rates. b. Government deregulation allowed savin

The Danube River is an important transportation corridor because it A) connects four major European cities. B) contains many natural resources. C) attracts ma

How many grams is 5kg of tap water?