document.write( "Question 919768: Martha's garden is 5 m wide and 8 m long. Next year she plans to double the garden's area by increasing the width and length by the same number of meters. What will be the new dimensions of the garden? \n" ); document.write( "
Algebra.Com's Answer #557956 by josgarithmetic(39617)\"\" \"About 
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This year, area is \"5%2A8\".\r
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\n" ); document.write( "\n" ); document.write( "Next year, area will be \"%285%2Bx%29%288%2Bx%29\".
\n" ); document.write( "That must be \"2%2A%285%2A8%29\".\r
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\n" ); document.write( "\n" ); document.write( "\"%285%2Bx%29%288%2Bx%29=2%2A5%2A8\".
\n" ); document.write( "Solve for x.
\n" ); document.write( "Evaluate x+5 and x+8.\r
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\n" ); document.write( "\n" ); document.write( "---
\n" ); document.write( "\"x%5E2%2B13x%2B5%2A8=2%2A5%2A8\"
\n" ); document.write( "\"x%5E2%2B13x-5%2A8=0\"
\n" ); document.write( "\"x%5E2%2B13x-40=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-13%2Bsqrt%28169%2B4%2A40%29%29%2F2\"
\n" ); document.write( "\"x=%28-13%2Bsqrt%28169%2B160%29%29%2F2\"
\n" ); document.write( "\"highlight%28x=%28-13%2Bsqrt%28329%29%29%2F2%29\"
\n" ); document.write( "About 2.57 meters increase to each dimension.
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