document.write( "Question 243115: Factorise;
\n" ); document.write( "axy-ay+ax-a\r
\n" ); document.write( "\n" ); document.write( "I think I've got the correct answer;
\n" ); document.write( "(ay+a)(x-1)
\n" ); document.write( "but I kind of just did trial and error. I was wondering if there's a faster or more straight forward way of getting there?
\n" ); document.write( "Thanks SO much again (you guys are AWESOME!)
\n" ); document.write( "manda
\n" ); document.write( "

Algebra.Com's Answer #178137 by unlockmath(1688)\"\" \"About 
You can put this solution on YOUR website!
Hello Manda,
\n" ); document.write( "You are correct. Good going! We can go one more step. (See below)
\n" ); document.write( "Since I didn't see how you did it I couldn't say if your way was fastest. Here's the way I'd do it. I see in the first two terms a common thread of ay, so we could pull that out like:
\n" ); document.write( "ay(x-1)
\n" ); document.write( "Now notice in the last two terms the common thread is a, so we can rewrite that:
\n" ); document.write( "a(x-1) Notice that these two have (x-1) therefore we can write this as:
\n" ); document.write( "(ay+a)(x-1) We could go one more step and write it as:
\n" ); document.write( "a(y+1)(x-1) Multiply all that out and we should arrive at the original expression.
\n" ); document.write( "RJ Toftness
\n" ); document.write( "www.math-unlock.com
\n" ); document.write( "
\n" );