document.write( "Question 287661: Solve by using the quadratic formula: x2 + 7x = -3. \n" ); document.write( "
Algebra.Com's Answer #208412 by texttutoring(324)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Set the right side of the equation to zero by adding 3 to both sides of the equation:\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B7x%2B3=0\"\r
\n" ); document.write( "\n" ); document.write( "The quadratic formula is:
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r
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\n" ); document.write( "\n" ); document.write( "In your question\r
\n" ); document.write( "\n" ); document.write( "a=1
\n" ); document.write( "b=7
\n" ); document.write( "c=3\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-7+%2B-+sqrt%28+7%5E2-4%2A1%2A3+%29%29%2F%282%2A1%29+\"
\n" ); document.write( "\"x+=+%28-7+%2B-+sqrt%28+49-12+%29%29%2F%282%29+\"
\n" ); document.write( "\"x+=+%28-7+%2B-+sqrt%28+37+%29%29%2F%282%29+\"\r
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\n" ); document.write( "\n" ); document.write( "To be exact, you can leave your answer like that, with the radicals. Note that you have two answers, one for the + sign and one for the - sign.\r
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\n" ); document.write( "\n" ); document.write( "If you want to write your answers as decimals, they would be:\r
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\n" ); document.write( "\n" ); document.write( "x=-0.4586 or x=-6.541
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