document.write( "Question 40364: A picture frame is 14cm by 18cm. There are 192cm^2 of picture showing. Find the width of the frame.
\n" ); document.write( "The frame is _____cm wide.
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Algebra.Com's Answer #25766 by Paul(988)\"\" \"About 
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length --> 18-x-x->18-2x
\n" ); document.write( " width --> 14-x-x->14-2x
\n" ); document.write( "EQUATION:
\n" ); document.write( "(18-2x)(14-2x)=192
\n" ); document.write( "\"4x%5E2-64x%2B252=192\"
\n" ); document.write( "\"x%5E2-16x%2B15=0\"
\n" ); document.write( "\"x+=+%28-%28-16%29+%2B-+sqrt%28+%28-16%29%5E2-4%2A1%2A15+%29%29%2F%282%2A1%29+\"
\n" ); document.write( "x=15 or x=1
\n" ); document.write( "Hence, the unifrom width is 1 cm.
\n" ); document.write( "Paul.
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