document.write( "Question 247312: A room has an area of 322 square feet. one dimension is 9ft more than the other. Find the dimensions of the room? \n" ); document.write( "
Algebra.Com's Answer #180440 by jojo14344(1513)\"\" \"About 
You can put this solution on YOUR website!

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\n" ); document.write( "Let us see the room (being rectangle):
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\n" ); document.write( "\n" ); document.write( "\"Area%5BR%5D=L%2AW=%28x%2B9%29%28x%29\"
\n" ); document.write( "\"322ft%5E2=x%5E2%2B9x\"
\n" ); document.write( "\"x%5E2%2B9x-322=0\", where\"system%28a=1%2Cb=9%2Cc=-322%29\"
\n" ); document.write( "Solving discriminant:
\n" ); document.write( "\"b%5E2-4ac=9%5E2-4%281%29%28-322%29=81%2B1288=1369\"\r
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\n" ); document.write( "\n" ); document.write( "Continuing the quadratic eqn:
\n" ); document.write( "\"x=%28-9%2B-sqrt%281369%29%29%2F%282%281%29%29\"
\n" ); document.write( "\"x=%28-9%2B-37%29%2F2\"
\n" ); document.write( "2 values:
\n" ); document.write( "\"x=%28-9%2B37%29%2F2=28%2F2=red%2814ft=Width%29\", use (Answer)
\n" ); document.write( "\"x=%28-9-37%29%2F2=-46%2F2=-23\", discard\r
\n" ); document.write( "\n" ); document.write( "Length: \"9%2B14=red%2823ft%29\"
\n" ); document.write( "Check,
\n" ); document.write( "\"A=L%2AW\"
\n" ); document.write( "\"322ft%5E2=%2823%29%2814%29\"
\n" ); document.write( "\"322ft%5E2=322ft%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo
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