document.write( "Question 256883: 1. (2x^2 + x - 3)/9 times (x + 1)^2/(2x^2 + 5x + 3)\r
\n" ); document.write( "\n" ); document.write( "2. 1/(25 - y^2) divided by (6 - 3y)/y^2 - 7y + 10)\r
\n" ); document.write( "\n" ); document.write( "3. abc/(a^2 - 3a - 10) divided by a^2/(a^2 - 25) times (4 - a^2/9b^2 - 4 divided by (abc + 5bc)/(3ab - 2a)\r
\n" ); document.write( "\n" ); document.write( "4. (n^2 + 5n + 6)/(n^2 + 7n + 12 times (n^2 + 9n + 20/(n^2 + 11n + 30)
\n" ); document.write( "

Algebra.Com's Answer #188987 by drk(1908)\"\" \"About 
You can put this solution on YOUR website!
1. (2x^2 + x - 3)/9 times (x + 1)^2/(2x^2 + 5x + 3)
\n" ); document.write( "step 1 - factor all possible polynomials as
\n" ); document.write( "\"%282x+%2B+3%29%28x-1%29%2F9\" * \"%28x+%2B+1%29%5E2%2F%28%282x%2B3%29%28x%2B1%29%29\"
\n" ); document.write( "step 2 - cancel where needed as
\n" ); document.write( "\"%28%28x-1%29%2F9%29%2A%28x%2B1%29\"
\n" ); document.write( "which is simplified as
\n" ); document.write( "\"%28x%5E2-1%29%2F9\"
\n" ); document.write( "--
\n" ); document.write( "2. 1/(25 - y^2) divided by (6 - 3y)/y^2 - 7y + 10)
\n" ); document.write( "step 1 - factor all possible polynomials as
\n" ); document.write( "\"1%2F%285%2By%29%285-y%29%29\" / \"%283%282-y%29%29%2F%28%28y-5%29%28y%2B3%29%29+\"
\n" ); document.write( "step 2 - multiply by reciprocal to get
\n" ); document.write( "\"1%2F%285%2By%29%285-y%29%29\" * * \"%28y%2B3%29%2F%283%2A%282-y%29%29\"
\n" ); document.write( "\"-%28y%2B3%29%2F%28-3y%5E2-3y%2B10%29\"
\n" ); document.write( "--
\n" ); document.write( "3. abc/(a^2 - 3a - 10) divided by a^2/(a^2 - 25) times (4 - a^2/9b^2 - 4 divided by (abc + 5bc)/(3ab - 2a)
\n" ); document.write( "step 1 - factor all possible polynomials
\n" ); document.write( "\"abc%2F%28%28a-5%29%28a%2B2%29%29\" / \"a%5E2%2F%28%28a%2B5%29%28a-5%29%29\" * \"%282%2Ba%29%282-a%29%2F%28%283b%2B2%29%283b-2%29%29\" / \"bc%28a%2B5%29%2F%283b-2a%29\"
\n" ); document.write( "which becomes
\n" ); document.write( "\"abc%2F%28%28a-5%29%28a%2B2%29%29\" * \"%28%28a%2B5%29%28a-5%29%29%2Fa%5E2\" * \"%283b-2a%29%2Fbc%28a%2B5%29\" * \"%282%2Ba%29%282-a%29%2F%28%283b%2B2%29%283b-2%29%29\"
\n" ); document.write( "step 2 - reduce as needed to get
\n" ); document.write( "\"%28a%2B5%29%282-a%29%283b-2a%29\" / \"a%283b%2B2%29%283b-2%29\"
\n" ); document.write( "--
\n" ); document.write( "4. (n^2 + 5n + 6)/(n^2 + 7n + 12 times (n^2 + 9n + 20/(n^2 + 11n + 30)
\n" ); document.write( "step 1 -factor all possible polynomials to get
\n" ); document.write( "\"%28%28n%2B3%29%28n%2B2%29%29%2F%28%28n%2B3%29%28n%2B4%29%29\" * \"%28%28n%2B4%29%28n%2B5%29%29%2F%28%28n%2B5%29%28n%2B6%29%29\"
\n" ); document.write( "this reduces nicely to
\n" ); document.write( "\"%28n%2B2%29%2F%28n%2B6%29\"
\n" ); document.write( "
\n" );