Let's use the quadratic formula to solve for x:
\n" );
document.write( "\n" );
document.write( "
\n" );
document.write( " Starting with the general quadratic
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " 
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " the general solution using the quadratic equation is:
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " 
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " So lets solve  ( notice  ,  , and  )
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  Plug in a=1, b=-10, and c=16
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  Negate -10 to get 10
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  Square -10 to get 100 (note: remember when you square -10, you must square the negative as well. This is because  .)
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  Multiply  to get 
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  Combine like terms in the radicand (everything under the square root)
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  Simplify the square root (note: If you need help with simplifying the square root, check out this solver)
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  Multiply 2 and 1 to get 2
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " So now the expression breaks down into two parts
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  or 
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " Lets look at the first part:
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " 
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  Add the terms in the numerator
\n" );
document.write( "
\n" );
document.write( "  Divide
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " So one answer is
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " Now lets look at the second part:
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " 
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "  Subtract the terms in the numerator
\n" );
document.write( "
\n" );
document.write( "  Divide
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " So another answer is
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( " So our solutions are:
\n" );
document.write( "
\n" );
document.write( " or
\n" );
document.write( "
\n" );
document.write( " |
\n" );
document.write( "![\"\"](\"/images/stars/stars-13.gif\")
