document.write( "Question 368964: The adjacent sides of a rectangle differ by 5 feet.If the area of the rectangle is 84 square feet, what is the lenght of the smaller side? \n" ); document.write( "
Algebra.Com's Answer #262915 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let the smaller side be x \n" ); document.write( "the larger side will be x+5 \n" ); document.write( "Area = 84 ft^2 \n" ); document.write( "x(x+5)=84 \n" ); document.write( "x^2+5x=84 \n" ); document.write( "x^2+5x-84 =0 \n" ); document.write( "x^2+12x-7x-84=0 \n" ); document.write( "x(x+12)-7(x+12)=0 \n" ); document.write( "(x+12)(x-7)=0 \n" ); document.write( "x = 7 the smaller length \n" ); document.write( "the larger length will be 12 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |