document.write( "Question 1146135: The length and breadth of a rectangle are (2x+5)cm and ( 2x-1) cm respectively. The areabof rectangle is three times the area of square (x+1)cm.
\n" ); document.write( "Form an equation in x and show that is reduces to x^2+2x-8=0
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Algebra.Com's Answer #767411 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "if the length and breadth of a rectangle are \"%282x%2B5%29cm\" and \"%28+2x-1%29cm\" respectively, the area of rectangle is\r
\n" ); document.write( "\n" ); document.write( "\"%282x%2B5%29%2A%28+2x-1%29\"\r
\n" ); document.write( "\n" ); document.write( "the area of square \"%28x%2B1%29cm\" is \"%28x%2B1%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "the area of rectangle is three times the area of square \"%28x%2B1%29cm\", we have\r
\n" ); document.write( "\n" ); document.write( "\"%282x%2B5%29%2A%28+2x-1%29=3%28x%2B1%29%5E2\"......simplify\r
\n" ); document.write( "\n" ); document.write( "\"%282x%2B5%29%2A%28+2x-1%29=3%28x%2B1%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"4x%5E2+%2B+8x+-+5=3%28x%5E2%2B2x%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "\"4x%5E2+%2B+8x+-+5=3x%5E2%2B6x%2B3\"\r
\n" ); document.write( "\n" ); document.write( "\"4x%5E2+%2B+8x+-+5-3x%5E2-6x-3=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2+%2B+2x+-+8=0\" => shows that is reduces to \"x%5E2%2B2x-8=0\"\r
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