document.write( "Question 468454: Solve.\r
\n" ); document.write( "\n" ); document.write( "f(x)=(x+20)(x-15)(x+8) \n" ); document.write( "

Algebra.Com's Answer #321436 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " $\"f%28x%29=%28x%2B20%29%28x-15%29%28x%2B8%29\"$ .....multiply\r
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\n" ); document.write( "\n" ); document.write( " $\"f%28x%29=%28x%5E2-15x%2B20x-300%29%28x%2B8%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f%28x%29=x%5E3%2B8x%5E2-15x%5E2-120x%2B20x%5E2%2B160x-300x-2400\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f%28x%29=x%5E3%2B13x%5E2-260x-2400\"$ \n" ); document.write( "

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