SOLUTION: Solve: {{{ 4^x-2^x-12=0 }}}

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Question 433500: Solve:
Answer by belle3833(46)   (Show Source): You can put this solution on YOUR website!

=
ley
so we have:

=
y=4,y=-3
since
we need to solve and

has no solutions so we look at . here x=2

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