document.write( "Question 311853: Solve by applying the Quadratic Formula; all radicals should be simplified as far as possible. Show your work\r
\n" ); document.write( "\n" ); document.write( "x^2 + 4x - 7 = 0\r
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Algebra.Com's Answer #223000 by checkley77(12844)\"\" \"About 
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x^2 + 4x - 7 = 0
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "x=(-4+-sqrt[4^2-4*1*-7])/2*1
\n" ); document.write( "x=(-4+-sqrt[16+28])/2
\n" ); document.write( "x=(-4sqrt44)/2
\n" ); document.write( "x=(-4+-6.633)/2
\n" ); document.write( "x=(-4+6.633)/2
\n" ); document.write( "x=2.633/2
\n" ); document.write( "x=1.317 ans.
\n" ); document.write( "x=(-4-6.633)/2
\n" ); document.write( "x=-10.633/2
\n" ); document.write( "x=-5.317 ans.
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