document.write( "Question 588325: Please help ASAP with my algebra question. We are on quadratic equations and I am stuck on a word problem:
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document.write( "The area of a square can be doubled by increasing the length by 6 inches and the width by 4 inches. What is the length of the side of the square? \n" );
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Algebra.Com's Answer #374453 by dfrazzetto(283)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "square to L=W\r \n" ); document.write( "\n" ); document.write( "original area = LxL = L^2\r \n" ); document.write( "\n" ); document.write( "(L+6)(L+4) = 2l^2\r \n" ); document.write( "\n" ); document.write( "L^2 + 10L + 24 = 2L^2\r \n" ); document.write( "\n" ); document.write( "L^2 - 10L - 24 = 0\r \n" ); document.write( "\n" ); document.write( "(L-12)(L+2) = 0\r \n" ); document.write( "\n" ); document.write( "L = 12, -2\r \n" ); document.write( "\n" ); document.write( "12 inches \n" ); document.write( " |