document.write( "Question 1185515: 8. An interior decorator is buying wallpaper for two square walls. One wall
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Algebra.Com's Answer #816349 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "An interior decorator is buying wallpaper for two square walls. One wall
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document.write( "x^2 + (x+3)^2 = 89\r\n" );
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document.write( "x^2 + (x^2 + 6x + 9) = 89\r\n" );
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document.write( "2x^2 + 6x - 80 = 0\r\n" );
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document.write( "x^2 + 3x - 40 = 0\r\n" );
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document.write( "(x+8)*(x-5) = 0\r\n" );
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document.write( "Of the two roots, -8 and 5, only positive root  x= 5 is the solution.\r\n" );
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document.write( "Answer.  One wall is 5 ft square; the other wall is 8 ft square.\r\n" );
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