document.write( "Question 89001: i have to factor
\n" ); document.write( "\"+2x%5E2+%2B+18x+-+90+\"
\n" ); document.write( "i used the a-c metod but there was nothing
\n" ); document.write( "in common for -180 and 18 so i used the gcf
\n" ); document.write( "method and divided by 2 so i got \"2%28x%5E2+%2B+9x+-+45%29\"
\n" ); document.write( "and i still could not find anything in common
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Algebra.Com's Answer #64693 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "i have to factor \r\n" );
document.write( "\"2x%5E2+%2B+18x+-+90\"\r\n" );
document.write( "i used the a-c metod but there was nothing\r\n" );
document.write( "in common for -180 and 18 so i used the gcf \r\n" );
document.write( "method and divided by 2 so i got \"2%28x%5E2+%2B+9x+-+45%29\" \r\n" );
document.write( "and i still could not find anything in common \r\n" );
document.write( "for -45 and 9.\r\n" );
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document.write( "LOL. You just didn't know when to stop!\r\n" );
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document.write( "\"2x%5E2+%2B+18x+-+90\"\r\n" );
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document.write( "factors just as you had it:\r\n" );
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document.write( "\"2%28x%5E2+%2B+9x+-+45%29\"\r\n" );
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document.write( "It doesn't factor further, because as you said, there\r\n" );
document.write( "are no two positive integers with product 45 and \r\n" );
document.write( "difference 9.  But you DID factor it, because taking \r\n" );
document.write( "out a common factor IS factoring.  You just thought \r\n" );
document.write( "it had to factor further. \r\n" );
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document.write( "Incidentally, I noticed you tried the a-c method\r\n" );
document.write( "first.  When you have a trinomial, don't try the \r\n" );
document.write( "a-c method first. Instead look for a common\r\n" );
document.write( "factor first, and only when there isn't a common\r\n" );
document.write( "factor should you try the a-c method.\r\n" );
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document.write( "Edwin
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