document.write( "Question 433831: IF triangle abc is a right triangle and AB=x and Bc=x+1 and Ac=x+9 what are all the values of x? \n" ); document.write( "
Algebra.Com's Answer #300697 by shree840(260)\"\" \"About 
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Right angle triangle ABC
\n" ); document.write( "ac^2=ab^2+bc^2
\n" ); document.write( "or (x+9)^2=x^2+(x+1)^2
\n" ); document.write( "or x^2+81+18x=x^2+x^2+1+2x
\n" ); document.write( "or 80= X^2-16x
\n" ); document.write( "or x^2-16x-80=0
\n" ); document.write( "x^2-20x+4x-80=0
\n" ); document.write( "x(x-20)+4(x-20)=0
\n" ); document.write( "(x+4)(x-20)=0
\n" ); document.write( "either x=-4 or x=20\r
\n" ); document.write( "\n" ); document.write( "since x is a length it can not be negative so x=20 ANS
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