SOLUTION: {{{6^(2x)-42(6^x)+216=0}}}
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Question 249796:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
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This is a quadratic in 6^x. Sub y for 6^x to make it clearer:
(y - 6)*(y - 36) = 0
y = 6, y = 36
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Then sub back:
6^x = 6
x = 1
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6^x = 36
x = 2
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