document.write( "Question 20188: how do u factorise X squared + 9X + 20 \n" ); document.write( "
Algebra.Com's Answer #9738 by elima(1433)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E2%2B9x%2B20\"
\n" ); document.write( "You need to find 2 factors of 20; that when you add them together they equal 9.
\n" ); document.write( "4,5
\n" ); document.write( "(x+5)(x+4)
\n" ); document.write( "Hope you understand!
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