Question 1156649
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(x+y)^2-(x+y)^2=64. Given that x and y are positive integers, which of the following cannot be the value of x+y? 
A.8  B.10 C.17 D.24
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Answering formally, NO ONE of the values from the list is valid.



<U>The GLOBAL reason</U> &nbsp;is that the formula written in the post is &nbsp;INCORRECT // absurdist.


In the formula, &nbsp;its left side is &nbsp;IDENTICALLY &nbsp;equal to &nbsp;0 &nbsp;(zero, &nbsp;ZERO), 
while the right side has a constant non-zero value.


Try again, &nbsp;and be &nbsp;MORE &nbsp;ATTENTIVE &nbsp;next time . . .