document.write( "Question 1122880: 2x^(3)+7x^(2)+8x+3=0 \n" ); document.write( "

Algebra.Com's Answer #739097 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( " $\"2x%5E3%2B7x%5E2%2B8x%2B3=0\"$ ...factor completely; write $\"7x%5E2\"$ as $\"3x%5E2%2B4x%5E2\"$ , and $\"8x\"$ as $\"6x%2B2x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2x%5E3%2B3x%5E2%2B4x%5E2%2B6x%2B2x%2B3=0\"$ ...group\r
\n" ); document.write( "\n" ); document.write( " $\"%282x%5E3%2B3x%5E2%29%2B%284x%5E2%2B6x%29%2B%282x%2B3%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2%282x%2B3%29%2B2x%282x%2B3%29%2B%282x%2B3%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x%5E2%2B2x+%2B+1%29+%282x+%2B+3%29+=+0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x+%2B+1%29%5E2+%282x+%2B+3%29+=+0\"$ \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if $\"%28x+%2B+1%29%5E2+=+0\"$ -> $\"x=-1\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%282x+%2B+3%29+=+0\"$ -> $\"2x=-3\"$ -> $\"x=-3%2F2\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"+graph%28+600%2C+600%2C+-5%2C+5%2C+-5%2C+5%2C2x%5E3%2B7x%5E2%2B8x%2B3%29+\"$ \r
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