document.write( "Question 875660: Need to simplify the following expressions. showing how to cancel and factor.\r
\n" ); document.write( "\n" ); document.write( "1. 18/24=\r
\n" ); document.write( "\n" ); document.write( "2. 7rs^3/21r^2s=\r
\n" ); document.write( "\n" ); document.write( "3. 3y-3/y^2-1
\n" ); document.write( "

Algebra.Com's Answer #528393 by rothauserc(4718)\"\" \"About 
You can put this solution on YOUR website!
1) 18/24
\n" ); document.write( "Divide numerator and denominator by 6
\n" ); document.write( "18/24 = 3/4
\n" ); document.write( "2) 7rs^3 / 21r^2s
\n" ); document.write( "Divide numerator and denominator by 7rs
\n" ); document.write( "s^2 / 3
\n" ); document.write( "3) 3y-3 / y^2-1
\n" ); document.write( "In numerator factor 3 and in denominator factor the squares
\n" ); document.write( "3(y-1) / (y-1)(y+1)
\n" ); document.write( "Divide numerator and denominator by (y-1)
\n" ); document.write( "3 / (y+1)\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );