document.write( "Question 1165410: Can someone help me solve this question by using completing the square method?\r
\n" ); document.write( "\n" ); document.write( "4.6y^2 + 3.5x - 1.75 = 0\r
\n" ); document.write( "\n" ); document.write( "I have tried everything but still cant solve it. thanks. \n" ); document.write( "
Algebra.Com's Answer #789896 by math_helper(2461)\"\" \"About 
You can put this solution on YOUR website!

\n" );
document.write( "To start, I assume you meant that 'y' to be 'x': \"+4.6x%5E2+%2B+3.5x+-+1.75+=+0+\"\r
\n" );
document.write( "\n" );
document.write( "Multiply by 100:
\n" );
document.write( "\"+460x%5E2+%2B+350x+-+175+=+0\"\r
\n" );
document.write( "\n" );
document.write( "Reduce (divide by 5):
\n" );
document.write( "\"+92x%5E2+%2B+70x+-+35+=+0+\"\r
\n" );
document.write( "\n" );
document.write( "Divide by 92:
\n" );
document.write( "\"++x%5E2+%2B+%2870%2F92%29x+-+%2835%2F92%29+=+0+\"
\n" );
document.write( "\"+x%5E2+%2B+%2870%2F92%29x+=+35%2F92+\"\r
\n" );
document.write( "\n" );
document.write( "Add \"+%28%281%2F2%29%2870%2F92%29%29%5E2+\" to both sides:
\n" );
document.write( "\"+x%5E2+%2B+%2870%2F92%29x+%2B+%2835%2F92%29%5E2+=+%2835%2F92%29+%2B+%2835%2F92%29%5E2+\"\r
\n" );
document.write( "\n" );
document.write( "\"+%28x%2B%2835%2F92%29%29%5E2+=+++%2835%2F92%29+%2B+%2835%2F92%29%5E2+\"\r
\n" );
document.write( "\n" );
document.write( "Take the square root of both sides, this introduces +/- on RHS:
\n" );
document.write( "\"++x%2B%2835%2F92%29+\" = +/- \"sqrt%28%2835%2F92%29%2B%2835%2F92%29%5E2%29+\" 
\n" );
document.write( "\"++x+\" =  - \"35%2F92\" +/- \"sqrt%28%2835%2F92%29%2B%2835%2F92%29%5E2%29+\" \r
\n" );
document.write( "\n" );
document.write( "This evaluates to the solutions:
\n" );
document.write( "   x = 0.34425
\n" );
document.write( "   x = -1.10512\r
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
\n" );