document.write( "Question 314935: The length of a rectangular window is 5 feet more than its width, w. The area of the window is 36 square feet. Which equation could be used to find the dimensions of the window?
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document.write( "Thank you for your help. \n" );
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Algebra.Com's Answer #225256 by CharlesG2(834) ![]() You can put this solution on YOUR website! \"The length of a rectangular window is 5 feet more than its width, w. The area of the window is 36 square feet. Which equation could be used to find the dimensions of the window? \n" ); document.write( "Thank you for your help.\"\r \n" ); document.write( "\n" ); document.write( "area rectangle A = length l * width w = 36 square feet \n" ); document.write( " A = (w + 5) * w = 36 \n" ); document.write( " A = w^2 + 5w = 36 \n" ); document.write( "w^2 + 5w - 36 = 0 \n" ); document.write( "(w + 9)(w - 4) = 0 \n" ); document.write( "w^2 -4w + 9w - 36 = 0 (use FOIL) \n" ); document.write( "w^2 + 5w - 36 = 0 \n" ); document.write( "width is 4 feet, so length is 9 feet (since 4*9=36) \n" ); document.write( "so whatever equation matches up with what is done here is the answer \n" ); document.write( " \n" ); document.write( " |