document.write( "Question 1171161: The surface area of a closed box is 1642 square centimeters. If the length is x centimeters, the width is 6 centimeters less than twice the length and the height is 4 centimeters more than the length, calculate the value of x. \n" ); document.write( "

Algebra.Com's Answer #796073 by ikleyn(52787) $\"\"$ $\"About$

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document.write( "Under given conditions, the surface area equation is\r\n" );
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document.write( "    2*((x*(2x+6) + x*(x-4) + (x+6)*(x+4)) = 1642 cm^2.\r\n" );
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document.write( "Reduce it to the standard form of a quadratic equation, and then solve it,\r\n" );
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document.write( "using the quadratic formula or factoring.\r\n" );
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document.write( "You may report me about your progress and ask questions, if you have them.\r\n" );
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