document.write( "Question 860693: I need help solving this quadratic equation using the Pythagorean Theorem.\r
\n" ); document.write( "\n" ); document.write( "Buried treasure. Ahmed has half of a treasure map,
\n" ); document.write( "which indicates that the treasure is buried in the
\n" ); document.write( "desert 2x + 6 paces from Castle Rock. Vanessa has the
\n" ); document.write( "other half of the map. Her half indicates that to ﬁnd
\n" ); document.write( "the treasure, one must get to Castle Rock, walk x paces to the north, and then walk 2x + 4 paces to the east. If they share their information, then they can ﬁnd x and save a lot of digging. What is x?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #518601 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi,
\n" );
document.write( "x^2 + (2x+ 4)^2 = (2x+6)^2
\n" );
document.write( "x^2 + 4x^2 + 16x + 16 = 4x^2 + 24x + 36
\n" );
document.write( "  x^2 -8x- 20 = 0     factor
\n" );
document.write( " (x+2)(x-10) = 0    (Tossing out the negative solution for unit measure)
\n" );
document.write( "       x = 10 paces \n" );
document.write( "

\n" );