document.write( "Question 1134044: Solve: x^3 +3x^2-14x-20=0 \n" ); document.write( "
Algebra.Com's Answer #751339 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"x%5E3+%2B3x%5E2-14x-20=0+\"
\n" ); document.write( "\"x%5E3+-2x%5E2%2B5x%5E2-4x-10x-20=0\"
\n" ); document.write( "\"%28x%5E3+%2B5x%5E2%29-%282x%5E2%2B10x%29-%284x%2B20%29=0+\"
\n" ); document.write( "\"x%5E2%28x+%2B5%29-2x%28x%2B5%29-4%28x%2B5%29=0+\"
\n" ); document.write( "\"%28x+%2B+5%29+%28x%5E2+-+2+x+-+4%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"%28x+%2B+5%29=+0\"=>\"highlight%28x=-5%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2+-+2+x+-+4%29+=+0\".....use quadratic formula\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%28-2%29+%2B-+sqrt%28+%28-2%29%5E2-4%2A1%2A%28-4%29+%29%29%2F%282%2A1%29+\"\r
\n" ); document.write( "\n" ); document.write( " \"x+=+%282+%2B-+sqrt%28+4%2B16+%29%29%2F2+\" \r
\n" ); document.write( "\n" ); document.write( " \"x+=+%282+%2B-+sqrt%28+20+%29%29%2F2+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+4%2A5+%29%29%2F2+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28cross%282%291+%2B-+cross%282%29sqrt%28+5+%29%29%2Fcross%282%291+\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%281+%2B-+sqrt%28+5+%29%29+\" \r
\n" ); document.write( "\n" ); document.write( "solutions: \"highlight%28x+=+1+%2B+sqrt%28+5+%29%29+\" or \"highlight%28x+=+1+-+sqrt%28+5+%29%29+\" \r
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