document.write( "Question 296091: I'm confused as to what formula I would use for this word problem:
\n" ); document.write( "If the sides of a square are lengthened by 6cm, the area becomes 144cm^2. Find the length of the original square.
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Algebra.Com's Answer #213478 by mananth(16946)\"\" \"About 
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let the length of the square be x\r
\n" ); document.write( "\n" ); document.write( "increase by 6 \r
\n" ); document.write( "\n" ); document.write( "= x+6\r
\n" ); document.write( "\n" ); document.write( "(x+6)^2=144\r
\n" ); document.write( "\n" ); document.write( "Take square root of the equation \r
\n" ); document.write( "\n" ); document.write( "x+6 = 12\r
\n" ); document.write( "\n" ); document.write( "x=12-6\r
\n" ); document.write( "\n" ); document.write( "x=6 cms the original length.\r
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