samrockz samrockz
  • 17-04-2015
  • Mathematics
contestada

Solve this equation by factoring
6n^2-18n-18=6

Respuesta :

konrad509
konrad509 konrad509
  • 17-04-2015
[tex] 6n^2-18n-18=6 \\ 6n^2-18n-24=0\\ n^2-3n-4=0\\ n^2+n-4n-4=0\\ n(n+1)-4(n+1)=0\\ (n-4)(n+1)=0\\ n=4 \vee n=-1[/tex]
Answer Link
dln
dln dln
  • 17-04-2015
[tex]6n^{2}-18n-18=6 \\ 6n^{2}-18n-24=0 \\ 6(n^{2}-3n-4)=0 \\ 6(n-4)(n+1)=0 \\ \boxed{n=4\ and\ -1}[/tex]
Answer Link

Otras preguntas

What types of stimuli can cause the gates on ion channels to open or close?
Florida has ____________ roads that are designated as part of the National Highway System.
Florida has ____________ roads that are designated as part of the National Highway System.
A scientist wants to prove that certain chemicals in cosmetics are likely to cause harm to developing fetuses, when used by a pregnant mother. What is the most
Which of the following is a factor in the increase of single-parent families in North America?
What is the connection between William of Normandy and barking
A television regularly selling for $500 is marked down to $300.  what is the percent of the discount
How did America's wartime experience underline the need for another national bank?
What was the southernmost settlement - 13 colonies
what's 364 rounded to the nearest ten