document.write( "Question 828925: solve 2x+4x to the power of 2=42 \n" ); document.write( "

Algebra.Com's Answer #499591 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"2x%2B4x%5E2=42\"$
\n" ); document.write( " $\"4x%5E2%2B2x=42\"$
\n" ); document.write( " $\"4%28x%5E2%2B%281%2F2%29x%2B1%2F16%29=42%2B4%281%2F16%29\"$
\n" ); document.write( " $\"4%28x%2B%281%2F4%29%29%5E2=168%2F4%2B1%2F4\"$
\n" ); document.write( " $\"4%28x%2B1%2F4%29%5E2=169%2F4\"$
\n" ); document.write( " $\"%28x%2B1%2F4%29%5E2=169%2F16\"$
\n" ); document.write( "Two solutions:
\n" ); document.write( " $\"x%2B1%2F4=13%2F4\"$ and $\"x%2B1%2F4=-13%2F4\"$
\n" ); document.write( " $\"highlight%28x=12%2F4=3%29\"$ and $\"highlight%28x=14%2F4=-7%2F2%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );