document.write( "Question 970280: The area of a rectangle is 1260. Find the dimensions of the rectangle if we know that the length is 48 longer than 3 times the width. Use the quadratic formula in order to solve. \n" ); document.write( "
Algebra.Com's Answer #592936 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
Here is just a start.\r
\n" ); document.write( "\n" ); document.write( "\"system%28L=48%2B3w%2C+wL=1260%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"w%2848%2B3w%29=1260\"\r
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\n" ); document.write( "\n" ); document.write( "\"3w%5E2%2B48w-1260=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"w%5E2%2B16w-420=0\"\r
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\n" ); document.write( "\n" ); document.write( "Discriminant is \"1936=44%5E2\" and this means you expect to find integers solutions.\r
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\n" ); document.write( "\n" ); document.write( "\"w=%28-16%2B-+44%29%2F2\" and you accept only the positive solution for w.
\n" ); document.write( "\"highlight%28w=14%29\"
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