document.write( "Question 810766: The length of a rectange is (x+4)cm.
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document.write( "The width is (x-3)cm.
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document.write( "The area of the rectangle is 78cm^2.\r
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document.write( "How do I write this in terms of x? \n" );
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Algebra.Com's Answer #488419 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! (x+4)*(x-3)=78 \n" ); document.write( "x^2+x-90 = 0 \n" ); document.write( "x=-10 x=9 \n" ); document.write( " we discard x=-10 \n" ); document.write( "9+4=13 \n" ); document.write( "9-3-6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |