document.write( "Question 650018: solve 5x^3-18x^2+9x\r
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Algebra.Com's Answer #407141 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( " $\"5x%5E3-18x%5E2%2B9x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%285x%5E2-18x%2B9%29\"$ .....replace $\"-18x\"$ with $\"-3x-15\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%285x%5E2-3x-15x%2B9%29\"$ ....group\r
\n" ); document.write( "\n" ); document.write( " $\"x%28%285x%5E2-3x%29-%2815x-9%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%28x%285x-3%29-3%285x-3%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%28x-3%29%285x-3%29\"$ \r
\n" ); document.write( "\n" ); document.write( "now, if you set it equal to zero, you can solve for $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%28x-3%29%285x-3%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( "roots:\r
\n" ); document.write( "\n" ); document.write( " $\"x=0\"$ ........first solution\r
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\n" ); document.write( "\n" ); document.write( "if $\"%28x-3%29=0\"$ ...->... $\"x=3\"$ ....second solution\r
\n" ); document.write( "\n" ); document.write( "if $\"%285x-3%29=0\"$ ...->... $\"5x=3\"$ ..->... $\"x=3%2F5\"$ ..second solution\r
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