document.write( "Question 813461: Solve using the quadratic formula:\r
\n" ); document.write( "\n" ); document.write( "15x=2x^2+16\r
\n" ); document.write( "\n" ); document.write( "Please Help!
\n" ); document.write( "

Algebra.Com's Answer #489680 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "\"15x=2x%5E2%2B16\"\r
\n" ); document.write( "\n" ); document.write( "\"0=2x%5E2-15x%2B16\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"2x%5E2-15x%2B16=0\"........compare to \"ax%5E2%2Bbx%2Bc=0\", you see that \"a=2\", \"b=-15\", and \"c=16\"\r
\n" ); document.write( "\n" ); document.write( " \"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" \r
\n" ); document.write( "\n" ); document.write( " \"x+=+%28-%28-15%29+%2B-+sqrt%28+%28-15%29%5E2-4%2A2%2A16+%29%29%2F%282%2A2%29+\" \r
\n" ); document.write( "\n" ); document.write( " \"x+=+%2815+%2B-+sqrt%28+225-128+%29%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( " \"x+=+%2815+%2B-+sqrt%28+97+%29%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( " \"x+=+%2815+%2B-+9.85%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( " \"x+=+%2815+%2B+9.85%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( " \"x+=+24.85%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+6.2125+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+6.2+\" \r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( " \"x+=+%2815+-+9.85%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( " \"x+=+5.15%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=1.2875+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+1.3+\" \r
\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C10%2C+-10%2C+20%2C2x%5E2-15x%2B16%29+\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );