3 different questions:

http://www.imathas.com/cgi-bin/mimet...7D%5Cgt%7B0%7D

http://www.imathas.com/cgi-bin/mimet...%7B3%7D%7Bx%7D

http://www.imathas.com/cgi-bin/mimet...7Bx%7D-%7B1%7D

Put into interval notation.

question on the 1st one.. Should i factor out (X-4)(X+4) or leave it as is?

third one... do i subtract (x-1) from both sides... multiply by the LCD (x-3) ... that gives me (3x^2-4x-26)/(x-3) then using quadradic i get (2+-sqrt(82))/3..

Help please