document.write( "Question 468614: Okay. I am not very good with word problems and need help with this one:\r
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document.write( "If the sides of a square are lengthened by 8 cm, the area becomes 144 cm^2. Find the length of a side of the original square.\r
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document.write( "What is the length of the original square in cm's?\r
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document.write( "Any help is greatly appreciated!
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Algebra.Com's Answer #321543 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! (x+8)(x+8)=144 \n" ); document.write( "x2+16x+64=144 \n" ); document.write( "x2+16x=80 \n" ); document.write( "x2+16x-80=0 \n" ); document.write( "(x+20)(x-4)=0 \n" ); document.write( "x=-20 or 4 \n" ); document.write( "Throwing out the negative answer, we get the original square to be 4 cm. x 4 cm.. \n" ); document.write( " |