Question 631488
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Hi,
The length of a rectangle is 1 more than the side{{{highlight(x)}}} of a square
 and the width of the rectangle is 1 less than the side{{{highlight(x)}}} of the square. 
If the area of the rectangle is 35 &#8658; 
(x+1)(x-1) = 35
 x^2 - 1 = 35 
    x^2 = 36 
{{{x = 6}}}  (tossing out negative solution for unit measure) 

and...
 {{{7*5 = 35}}}