document.write( "Question 1074298: The area of a rectangle is three times the area of a square of side (x+1)cm. The length and breadth of the rectangle are (2x+5)cm and (2x-1)cm respectively. \r
\n" ); document.write( "\n" ); document.write( "a) Form an equation in x and show that it reduces to x^2+2x-8=0\r
\n" ); document.write( "\n" ); document.write( "b) Solve the equation and find the area of the rectangle.
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Algebra.Com's Answer #688994 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"3%28x%2B1%29%5E2=%282x%2B5%29%282x-1%29\"\r
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\n" ); document.write( "\n" ); document.write( "You will want to simplify that equation.\r
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\n" ); document.write( "\n" ); document.write( "\"3%28x%5E2%2B2x%2B1%29=4x%5E2-2x%2B10x-5\"\r
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2%2B6x%2B3=4x%5E2%2B8x-5\"\r
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\n" ); document.write( "\n" ); document.write( "\"6x%2B3=x%5E2%2B8x-5\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B2x-8=0\"\r
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