17 ^ X * 17 ^ ( X + 5 ) = 17
17 ^ ( X + ( X + 5 ) ) = 17
2X + 5 = 1
2X = - 4
X = - 2
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4 ^ ( X - 3 ) + 4 ^ X = 65
4 ^ X * ( 4 ^ - 3 + 1 ) = 65
4 ^ X * ( ( 1/64 ) + 1 ) = 65
4 ^ X = 65 : ( 65/64 )
4 ^ X = 64
4 ^ X = 4 ^ 3
X = 3
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