document.write( "Question 910759: If each side of a square are lengthened by by 5 cm, the area becomes 144 cm ^2. Find the length of the side of the original square. \n" ); document.write( "
Algebra.Com's Answer #552639 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! Asquare = s^2 where s is the length of the side of the original square \n" ); document.write( "(s+5)(s+5) = 144cm^2 \n" ); document.write( "s^2 + 10x + 25 = 144 \n" ); document.write( "s^2 + 10x - 119 = 0 (Tossing out the negative solution for unit measure) \n" ); document.write( "(x+17)(x-7) = 0 \n" ); document.write( "s = 7cm, the length of the side of the original square \n" ); document.write( " \n" ); document.write( " |