document.write( "Question 872423: Ahmed has half of a treasure map, which indicates that the treasure is buried in the desert 2x + 6 paces from Castle Rock. Vanessa has the other half, her half indicates that to find 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? Ineed to factor this and use the Pythagorean Theorem for this assignment, please help. \n" ); document.write( "
Algebra.Com's Answer #526154 by richwmiller(17219)\"\" \"About 
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2x+6 is the hypotenuse c
\n" ); document.write( "x is one leg a
\n" ); document.write( "2x+4 is the other leg b
\n" ); document.write( "a^2+b^2=c^2\r
\n" ); document.write( "\n" ); document.write( "(2x+4)^2+x^2=(2x+6)^2
\n" ); document.write( "multiply it out and you get
\n" ); document.write( "5 x^2+16 x+16 = 4 x^2+24 x+36
\n" ); document.write( "combine terms and you get
\n" ); document.write( "x^2-8x-20 = 0
\n" ); document.write( "you want factors of -20 which add up to -8
\n" ); document.write( "-10 and 2 will do it
\n" ); document.write( "(x-10)*(x+2)=0
\n" ); document.write( "x=10 and x=-2
\n" ); document.write( "discard the negative result.
\n" ); document.write( "x=10\r
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