Mathematics 31 Online
OpenStudy (anonymous):

Solve for x. (4^-2)(4^x+1)(4^3)=(4^5)

OpenStudy (saifoo.khan):

$\frac{1}{16} \times (4^x+1) = \frac{4^5}{4^3}$

OpenStudy (saifoo.khan):

$\frac{1}{16} \times (4^x+1) = 4^2$

OpenStudy (saifoo.khan):

$4^x+1 = 16 \times 16$

OpenStudy (saifoo.khan):

$4^x = 155.$

OpenStudy (saifoo.khan):

$x = \log_{4}155$$x = 3.638$

OpenStudy (saifoo.khan):

I can't believe i did that.

OpenStudy (saifoo.khan):

LOL.

OpenStudy (saifoo.khan):

It looks scary.

OpenStudy (anonymous):

Thank you! I didn't even know how to start it haha

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