document.write( "Question 262784: Please help me on factoring by grouping.\r
\n" ); document.write( "\n" ); document.write( "2x3 - 8x2 - 9x + 36
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Algebra.Com's Answer #193563 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
\"+2x%5E3+-+8x%5E2+-+9x+%2B+36\"
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\n" ); document.write( "Group terms:
\n" ); document.write( "\"+%282x%5E3+-+8x%5E2%29+-+%289x+-+36%29+\"
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\n" ); document.write( "Factor out what is common in each group:
\n" ); document.write( "\"+2x%5E2%28x+-+4%29+-+9%289x+-+4%29+\"
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\n" ); document.write( "Factor out what is common for each term:
\n" ); document.write( "\"+%28x+-+4%29%282x%5E2+-+9%29+\"
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\n" ); document.write( "You could stop there. However, you can consider factoring the second term as a the special case of \"difference of squares\":
\n" ); document.write( "\"+%28x+-+4%29%28sqrt%282%29x+-+3%29%28sqrt%282%29x+%2B+3%29+\"
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