document.write( "Question 1006078: The sides of a right-angled triangle are X cm, (x+1) cm and (x+3) cm. Show that \"+x%5E2-4x-8=0\" and solve this equation to find the lengths of the sides of the triangle. Give your answers correct to two decimal places. \n" ); document.write( "
Algebra.Com's Answer #622223 by josgarithmetic(39617)\"\" \"About 
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Pythagorean fact for right triangle
\n" ); document.write( "\"x%5E2%2B%28x%2B1%29%5E2=%28x%2B3%29%5E2\"
\n" ); document.write( "\"x%5E2%2Bx%5E2%2B2x%2B1=x%5E2%2B6x%2B9\"
\n" ); document.write( "\"x%5E2%2B2x%2B1=6x%2B9\"
\n" ); document.write( "\"x%5E2-4x-8=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%284%2B-+sqrt%2816%2B4%2A8%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%284%2B-+sqrt%2816%2B2%2A16%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%284%2B-+4%2Asqrt%283%29%29%2F2\"
\n" ); document.write( "The PLUS form is needed.
\n" ); document.write( "\"highlight%28x=2%2B2sqrt%283%29%29\"
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