document.write( "Question 555266: Please help solv. A digital photgraph is 30 pixel longer than it is wide and has a total area of 4000 pixels. Find the dimensions of this photograph. \n" ); document.write( "
Algebra.Com's Answer #361716 by nerdybill(7384)\"\" \"About 
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Please help solv. A digital photgraph is 30 pixel longer than it is wide and has a total area of 4000 pixels. Find the dimensions of this photograph.
\n" ); document.write( "Let x = width (in pixels)
\n" ); document.write( "then
\n" ); document.write( "x+30 = length
\n" ); document.write( ".
\n" ); document.write( "x(x+30) = 4000
\n" ); document.write( "x^2+30x = 4000
\n" ); document.write( "x^2+30x-4000 = 0
\n" ); document.write( "(x+80)(x-50) = 0
\n" ); document.write( "x = {-80, 50}
\n" ); document.write( "throw out the negative solution leaving:
\n" ); document.write( "x = 50 pixels (width)
\n" ); document.write( ".
\n" ); document.write( "Length:
\n" ); document.write( "x+30 = 50+30 = 80 pixels
\n" ); document.write( ".
\n" ); document.write( "Dimensions:
\n" ); document.write( "50 by 80 pixels \n" ); document.write( "
\n" );