document.write( "Question 921418: the sides of a right angled triangle are x cm, (x+1) cm and (x+3) cm. show that x2 -4x-8=0 and solve this equation to find the length of the triangle \n" ); document.write( "
Algebra.Com's Answer #558966 by josgarithmetic(39617)\"\" \"About 
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Which length do you mean?\r
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\n" ); document.write( "\n" ); document.write( "The longest side is the hypotenuse, which must be x+3.\r
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\n" ); document.write( "\n" ); document.write( "Pythagorean Theorem for a Right Triangle indicates \"%28x%2B1%29%5E2%2Bx%5E2=%28x%2B3%29%5E2\"; simplify and put into general form.
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