document.write( "Question 527516: What is the area of a rectangle that is 5 inches longer than it is wide and if you double the length and subtract 2 inches from the width the area is increased by 52 inches squared?\r
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document.write( "I tried ...
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document.write( "x(x+5)=x^2+5x
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document.write( "(x-2)(2x+10)=x^2+5x+52
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document.write( "but I dont think Im setting it up right... \r
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document.write( "Can you help me set it up? And/or possibly give me the solution so I can figure out how to get to it for future problems? \n" );
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Algebra.Com's Answer #348939 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! you're good so far...\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "expanding the 2nd eqn ___ 2x^2 + 6x - 20 = x^2 + 5x + 52 ___ x^2 + x - 72 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "factoring ___ (x + 9)(x - 8) = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 8 \n" ); document.write( " |