document.write( "Question 128813: In a right triangle , the shorter leg is 6 less than the longer leg. The hypotenuse is 6 less than twice the shorter leg. Set up a quadratic equation and use it to determine the lenghth of the hypotenuse of the right triangle. \n" ); document.write( "
Algebra.Com's Answer #94218 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X^2+(X-6)^2=[2(X-6)-6]^2 \n" ); document.write( "X^2+X^2-12X+36=[2X-12-6]^2 \n" ); document.write( "2X^2-12X+36=(2X-18)^2 \n" ); document.write( "2X^2-12X+36=4X^2-72X+324 \n" ); document.write( "2X^2-4X^2-12X+72X+36-324=0 \n" ); document.write( "-2X^2+60X-288=0 \n" ); document.write( "-2(X^2-30X+144)=0 \n" ); document.write( "-2(X-6)(X-24)=0 \n" ); document.write( "X-24=0 \n" ); document.write( "X=24 ANSWER FOR THE LONGER LEG. \n" ); document.write( "24-6=18 IS FOR THE SHORTER LEG \n" ); document.write( "18^2+24^2=H^2 \n" ); document.write( "324+576=H^2 \n" ); document.write( "H^2=900 \n" ); document.write( "H=SQRT900 \n" ); document.write( "H=30 FOR THE HYPOTENUSE. \n" ); document.write( " |