document.write( "Question 729745: x^2+9x+20 help factor trinomial \n" ); document.write( "

Algebra.Com's Answer #446193 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"x%5E2%2B9x%2B20\"$ ...write $\"9x\"$ as $\"4x%2B5x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2%2B4x%2B5x%2B20\"$ ....group\r
\n" ); document.write( "\n" ); document.write( " $\"%28x%5E2%2B4x%29%2B%285x%2B20%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%28x%2B4%29%2B5%28x%2B4%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x%2B4%29%28x%2B5%29\"$ \n" ); document.write( "

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