document.write( "Question 56544: help me solve please...\r
\n" ); document.write( "\n" ); document.write( "15x - 4/x = 4
\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "the -4 is over x. thanks!
\n" ); document.write( "

Algebra.Com's Answer #38389 by tutorcecilia(2152)\"\" \"About 
You can put this solution on YOUR website!
15x - 4/x = 4 [Multiply all terms by the LDC=x]
\n" ); document.write( "x(15x-4/2=4)
\n" ); document.write( "15x^2-4=4x [Simplify]
\n" ); document.write( "15x^2-4x-4 [Use the quadratic formula to solve]
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( ".
\n" ); document.write( "
\n" ); document.write( ".
\n" ); document.write( "\"x+=+%284%29+%2B-+sqrt%28%28+%2816%29-%28-240%29+%29%29%2F%2830%29%29%29+\"
\n" ); document.write( ".
\n" ); document.write( "\"x+=+%284%29+%2B-+sqrt%28+%28%28256%29+%29%29%2F%2830%29%29%29+\"
\n" ); document.write( ".
\n" ); document.write( "\"x+=+%284%29+%2B+%2816%29+%2F%2830%29%29+\" =.666
\n" ); document.write( ".
\n" ); document.write( "\"x+=+%284%29+-+%2816%29+%2F%2830%29%29+\" = -0.4
\n" ); document.write( ".
\n" ); document.write( "Check by plugging each value of x back into the original equation.
\n" ); document.write( "
\n" );