document.write( "Question 975174: A square has sides of length 3x cm. A rectangle is 2x cm by (x+7) cm. The area of the square is twice the area of the rectangle. Find the dimension of each figure. \r
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Algebra.Com's Answer #596986 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
Area of the square, \"9x%5E2\".
\n" ); document.write( "Area of the rectangle, \"2x%28x%2B7%29=2x%5E2%2B14x\".\r
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\n" ); document.write( "\n" ); document.write( "\"9x%5E2=2%282x%5E2%2B14x%29\".
\n" ); document.write( "Solve this for x,... and you can then use it to evaluate the dimensions of these figures.\r
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\n" ); document.write( "\n" ); document.write( "\"9x%5E2=4x%5E2%2B28x\"
\n" ); document.write( "\"5x%5E2-28x=0\"
\n" ); document.write( "\"x%285x-28%29=0\"
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\n" ); document.write( "Zeros are 0 and 28/5. The meaningful value is \"28%2F5=highlight_green%285%263%2F5%29\".\r
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\n" ); document.write( "\n" ); document.write( "Rectangle Dimensions:
\n" ); document.write( "\"2%2828%2F5%29=56%2F5=highlight%2811%261%2F5%29\" and \"28%2F5%2B7=28%2F5%2B35%2F5=63%2F5=highlight%2812%263%2F5%29\".
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