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How do you solve for x in #3^(2x) + 3^(x+1) - 4 = 0#?

1 Answer

Apr 26, 2018

x=0

Explanation:

#3^(2x)+3^(x+1)=4#
#3^(2x)+3^(x+1)=1+3#
#3^(2x)+3^(x+1)=3^0+3^1#

So:

#2x=0 nn x+1=1#

So:

#x=0#

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