document.write( "Question 1078267: A lady wants to make an​ open-top box for packing baked goods by cutting equal squares from each corner of an 10in by 14in piece of cardboard. She figures that for versatility the area of the bottom must be 80in squared.
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Algebra.Com's Answer #692773 by josgarithmetic(39625)\"\" \"About 
You can put this solution on YOUR website!
x, the edge length of the square to remove\r
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\n" ); document.write( "\n" ); document.write( "\"%2810-2x%29%2814-2x%29=80\"\r
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\n" ); document.write( "\n" ); document.write( "\"2%2A2%2A%285-x%29%287-x%29=2%2A2%2A20\"\r
\n" ); document.write( "\n" ); document.write( "\"%285-x%29%287-x%29=20\"\r
\n" ); document.write( "\n" ); document.write( "\"35-12x%2Bx%5E2=20\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-12x%2B15=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2812%2B-+sqrt%28144-4%2A15%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2812%2B-+sqrt%28144-60%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2812%2B-+sqrt%2812%2A7%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2812%2B-+2sqrt%2821%29%29%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=6-sqrt%2821%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "About 1.42 inches
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