PDA

View Full Version : Factorising


SusanS
2nd June 2006, 08:03 AM
I am trying to do papers and i cant do this question

factorise
2xy-6x+y-3y

Any help greatly appreciated. my exam is on Monday!!!!!!!!!!

Delta
2nd June 2006, 08:16 AM
factorise the 2xy and -6x then y-3y

2xy-6x+y-3y= 2x(y-3)+y(y-3)

now (y-3) is a common factor

(y-3)(2x+y)

SusanS
2nd June 2006, 01:19 PM
A big thankyou. i've been doing more of these this morning and getting them now.