document.write( "Question 1059791: a rectangular garden has a with 5 ft and a length of 10 feet if an equal amount is added to both the width and the length the area is increased to 126 ft.² what is this amount \n" ); document.write( "
Algebra.Com's Answer #674843 by Boreal(15235)\"\" \"About 
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the amount added is x
\n" ); document.write( "(5+x)(10+x)=126
\n" ); document.write( "50+15x+x^2=126
\n" ); document.write( "x^2+15x-76=0
\n" ); document.write( "(x-4)(x+19)=0
\n" ); document.write( "x=4, -19
\n" ); document.write( "use only the positive root.
\n" ); document.write( "x=4 feet ANSWER
\n" ); document.write( "dimensions become 9*14=126 sq ft.
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