![121 = {x}^{2} - {y}^{2} \\ \\ 121 = [x - y][x + y] \\ \\ 121 = [x - y][-11] \\ \\ -11 = x - y](/tpl/images/0263/8219/c473e.png)
Time for a fun math question.
if [tex]x^2-y^2=121[/tex] and the value of [tex]x+y[/tex] is -11...
Mathematics, 26.09.2019 05:30 arissahyp73x7x
Time for a fun math question.
if 
and the value of 
is -11, then what is the value of 
?
Answers: 1
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