document.write( "Question 37487: Solve an please show work. Thanks!\r
\n" ); document.write( "\n" ); document.write( " $\"30x%5E2+-+9x+-+3+=+0\"$ \n" ); document.write( "

Algebra.Com's Answer #23122 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"30x%5E2+-+9x+-+3+=+0\"$
\n" ); document.write( "divide both sides by 3
\n" ); document.write( " $\"10x%5E2+-3x+-1+=+0\"$
\n" ); document.write( " $\"%285x+%2B+1%29%2A%282x+-+1%29=+0\"$
\n" ); document.write( " $\"5x+%2B+1+=+0\"$
\n" ); document.write( " $\"5x+=+-1\"$
\n" ); document.write( " $\"x+=+-1%2F5\"$ root 1
\n" ); document.write( " $\"2x+-+1+=+0\"$
\n" ); document.write( " $\"2x+=+1\"$
\n" ); document.write( " $\"x+=+1%2F2\"$ root 2
\n" ); document.write( "check by subbing these values back in equation
\n" ); document.write( " $\"10%2A%28-1%2F5%29%5E2+-3%2A%28-1%2F5%29+-+1+=+0\"$
\n" ); document.write( " $\"10%2A%281%2F25%29+%2B+3%2F5+-1+=+0\"$
\n" ); document.write( " $\"10%2F25+%2B+15%2F25+-25%2F25+=+0\"$
\n" ); document.write( " $\"25%2F25+-+25%2F25+=+0\"$
\n" ); document.write( " $\"0+=+0\"$
\n" ); document.write( "checks OK
\n" ); document.write( " $\"10%2A%281%2F2%29%5E2+-+3%2A%281%2F2%29+-+1+=+0\"$
\n" ); document.write( " $\"10%2A%281%2F4%29+-+3%2F2+-+1+=+0\"$
\n" ); document.write( " $\"10%2F4+-+6%2F4+-4%2F4+=+0\"$
\n" ); document.write( " $\"10%2F4+-+10%2F4+=+0\"$
\n" ); document.write( " $\"0+=+0\"$
\n" ); document.write( "checks OK\r
\n" ); document.write( "\n" ); document.write( "
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