Question 940167
xy=7, {{{y = 7/x}}}
{{{x+7/x =8 }}} |Multiplying thru by x so as all denominators = 1
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x^2 + 7 = 8x
x^2 - 8x + 7 = 0
(x-7)(x-1)= 0
x = 1,7   and y = 7, 1
P(1,7)  and P(7,1)
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x^2 + y^2 = 50