document.write( "Question 187034: Solve 2x^-7x-2=0 \n" ); document.write( "

Algebra.Com's Answer #144237 by checkley75(3666) $\"\"$ $\"About$

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2x^-7x-2=0
\n" ); document.write( "IF you mean: 2x^2-7x-2=0 then:
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "x=(7+-sqrt[-7^2-4*2*-2])/2*2
\n" ); document.write( "x=(7+-sqrt[49+16])/4
\n" ); document.write( "x=(7+-sqrt65)/4
\n" ); document.write( "x=(7+-8.062)/4
\n" ); document.write( "x=(7+8.062)/4
\n" ); document.write( "x=15.062/4
\n" ); document.write( "x=3.77 ans.
\n" ); document.write( "x=(7-8.062)/4
\n" ); document.write( "x=-1.062/4
\n" ); document.write( "x=-.266 ans.
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