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ab = 8
a^2 + b^2 = (a+b)^2 - 2ab = 7^2 - 2(8) = 33
a = 7 - b
b = 7 - a
a (7 - a) = 8
7a - = 8
7a - - 8 = 0
a - - 56 = 0
(a - 8) (a + 7)
a = 8 & -7
b = 7 - 8
= -1
b = 7 - (-7)
= 14
b = -1 & 14
I) +
64 + 1 = 65
II) +
49 + 196 = 245