document.write( "Question 171187: Create a real-life situation that fits into the equation (x + 4)(x - 7) = 0 and express the situation as the same equation. I don't know how to work this problem backwards, help me please. \n" ); document.write( "
Algebra.Com's Answer #126374 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! Create a real-life situation that fits into the equation (x + 4)(x - 7) = 0 and express the situation as the same equation: \n" ); document.write( ": \n" ); document.write( "This would be one example: \n" ); document.write( ":\r \n" ); document.write( "\n" ); document.write( "The area of a rectangle is 28 sq ft, \n" ); document.write( "where the width is 3 ft shorter than the Length. \n" ); document.write( ": \n" ); document.write( "width: W = (L - 3) \n" ); document.write( ": \n" ); document.write( "Area = L * (L-3) = 28 \n" ); document.write( ": \n" ); document.write( "L^2 - 3L - 28 = 0 \n" ); document.write( "(L + 4)(L - 7) = 0 \n" ); document.write( "L = 7 \n" ); document.write( " |