document.write( "Question 48982: Factor $\"3x%5E3%2B15x%5E2%2B4x%2B20\"$ \n" ); document.write( "

Algebra.Com's Answer #32445 by Nate(3500) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"3x%5E3+%2B+15x%5E2+%2B+4x+%2B+20\"$
\n" ); document.write( "a = 1,2,4,5,10,20
\n" ); document.write( "b = 1,3
\n" ); document.write( "Possible Roots: +-a/b = +- 1,2,4,5,10,20,1/3,2/3,4/3,5/3,10/3,20/3
\n" ); document.write( "Normally, you would try them out, but for a quicker way, look at the graph:
\n" ); document.write( " $\"graph%28600%2C600%2C-10%2C10%2C-10%2C30%2C3x%5E3%2B15x%5E2%2B4x%2B20%29\"$
\n" ); document.write( "-5|.....3......15.......4........20
\n" ); document.write( "..........3.......0........4.......0
\n" ); document.write( "(x + 5)(3x^2 + 4) \n" ); document.write( "

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