document.write( "Question 1148735: At a certain time of day a tree that is X meters tall cast a shadow that is X -3 m long if the distance from the top of the tree to the end of the shadow is X +1 m what is the height X of the tree \n" ); document.write( "
Algebra.Com's Answer #770082 by William_KO(1)\"\" \"About 
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(x+1)^2=(x-3)^2+x^2
\n" ); document.write( "(x^2+2x+1)=(x^2-6x+9)+x^2 square them
\n" ); document.write( "x^2+2x+1=2x^2-6x+9 move everything to the right side
\n" ); document.write( "0=x^2-8x+8 then use quadratic formula \r
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\n" ); document.write( "\n" ); document.write( "x= 4+2 root 2 or 4-2 root 2\r
\n" ); document.write( "\n" ); document.write( "Hope this helps.
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