document.write( "Question 349561: the length of a rectangle is 7 more than the width. the area is 330 square centimeters. find the length and the width of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #249843 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let width be x \n" ); document.write( "length =x+7 \n" ); document.write( ".. \n" ); document.write( "Area = L*W \n" ); document.write( "x(x+7)=330 \n" ); document.write( "x^2+7x=330 \n" ); document.write( "x^2+7x-330=0 \n" ); document.write( "x^2+22x-15x-330=0 \n" ); document.write( "x(x+22)-15(x+22)=0 \n" ); document.write( "(x+22)(x-15)=0 \n" ); document.write( "x= 15 is the width. \n" ); document.write( "length = x+7 = 22 \n" ); document.write( " |