4^-2x*4^x=64

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Solution for 4^-2x*4^x=64 equation: 



4^-2x*4^x=64

We move all terms to the left:

4^-2x*4^x-(64)=0

determiningTheFunctionDomain
-2x*4^x-64+4^=0

We add all the numbers together, and all the variables

-2x*4^x=0

Wy multiply elements

-8x^2=0

a = -8; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-8)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-16}=0$

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