document.write( "Question 707802: One leg of a right triangle is 3in. longer than the other leg. the hypotenuse is 15. what are the lengths of the legs? \n" ); document.write( "
Algebra.Com's Answer #435868 by checkley79(3341)\"\" \"About 
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A^2+B^2=C^2
\n" ); document.write( "A=B+3
\n" ); document.write( "(B+3)^2+B^2=15^2
\n" ); document.write( "B^2+6B+9+B^2=225
\n" ); document.write( "2B^2+6B+9-225=0
\n" ); document.write( "2B^2+6B-216=0
\n" ); document.write( "2(B^2+3B-108)=0
\n" ); document.write( "(B-9)(B+12)=0
\n" ); document.write( "B=9 ANS.
\n" ); document.write( "A=9+3=12 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "9*2+12^2=225
\n" ); document.write( "81+144=225
\n" ); document.write( "225=225\r
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